facebook.com

DNS sikkerhedsrapport

18 bestået
8 advarsler
0 fejlet
B
82/100
Acceptabel konfiguration - nogle forbedringer anbefales.
Scannet 13. May 2026 kl. 14:52

Website preview

Domæneoplysninger

Alder

29 år, 2 måneder

Etableret

Udløber om

2860 dage

30. Mar 2034

DNSSEC

Inaktiv

Navneservere

4

servere

Registrar RegistrarSafe, LLC
Oprettet 29. Mar 1997
Sidst opdateret 13. May 2026
Status Aktiv

Navneservere

A.NS.FACEBOOK.COM B.NS.FACEBOOK.COM C.NS.FACEBOOK.COM D.NS.FACEBOOK.COM

Domænestatus (EPP)

client delete prohibited client transfer prohibited client update prohibited server delete prohibited server transfer prohibited server update prohibited

Domæne metrics

PageRank

7.6

ud af 10

Archive.org

50,000+

snapshots Se historik →

Metrics hentet for 2 uger siden

Sikkerhedsoversigt

HTTPS

SSL

HSTS

SPF

DMARC

DNSSEC

Sikkerhed

7 2

Ingen DKIM records fundet (testet almindelige selectors)

Medium

DNSSEC er ikke aktiveret

Aktiver DNSSEC for at beskytte mod DNS spoofing

Medium

CAA iodef (reporting) er ikke konfigureret

MTA-STS er konfigureret (mode: testing)

mode: testing max_age: 86400 (1 dage) mx: smtpin.vvv.facebook.com

SPF record fundet

v=spf1 redirect=_spf.facebook.com

DMARC record fundet

v=DMARC1; p=reject; rua=mailto:a@dmarc.facebookmail.com; ruf=mailto:fb-dmarc@datafeeds.phishlabs.com; pct=100

DMARC policy er sat til reject (streng)

DMARC aggregate reporting er aktiveret

CAA records fundet

[ { "tag": "issue", "ttl": 2894, "flags": 0, "value": "digicert.com; account=271b0beda0771d006aa3a6c11b05187d456d6c239b46cb5241196095b09c92af" } ]

Zone transfer (AXFR) er korrekt blokeret

Security.txt fil fundet (RFC 9116)

Contact: https://www.facebook.com/whitehat/report/ Expires: 2026-06-12T07:52:35-07:00 Policy: https://bugbounty.meta.com/

SSL / HTTPS

4 2

SSL-certifikat udløber om 7 dage

High

HSTS max-age er under 1 år

Low

HTTPS er aktiveret

HTTP redirecter til HTTPS

HSTS er aktiveret

SSL-certifikat er gyldigt

DNS Records

7

Kun én MX server - overvej backup MX for redundans

4 nameserver(s) fundet

Multiple nameservers for redundans

1 MX record(s) fundet

[ { "ttl": 1013, "host": "smtpin.vvv.facebook.com", "priority": 10 } ]

Ingen wildcard DNS konfiguration

1 A record(s) fundet

[ { "ip": "157.240.0.35", "ttl": 48 } ]

IPv6 (AAAA) understøttet

[ { "ttl": 3, "ipv6": "2a03:2880:f177:185:face:b00c::25de" } ]

SOA record fundet

{ "mname": "a.ns.facebook.com", "retry": 1800, "rname": "dns.facebook.com", "expire": 604800, "serial": 4207849484, "refresh": 14400, "minimum_ttl": 300 }

HTTP Headers

4

X-Frame-Options header mangler

Tilføj X-Frame-Options: DENY

Medium

Content-Security-Policy header mangler

Medium

Strict-Transport-Security: preload, max-age=15,552,000

Low

X-Content-Type-Options header mangler

Low

Referrer-Policy header mangler

Permissions-Policy header mangler

Rå data (JSON)

{
    "dns": {
        "a": [
            {
                "ip": "157.240.0.35",
                "ttl": 48
            }
        ],
        "mx": [
            {
                "ttl": 1013,
                "host": "smtpin.vvv.facebook.com",
                "priority": 10
            }
        ],
        "ns": [
            {
                "ttl": 6494,
                "host": "c.ns.facebook.com"
            },
            {
                "ttl": 6494,
                "host": "b.ns.facebook.com"
            },
            {
                "ttl": 6494,
                "host": "a.ns.facebook.com"
            },
            {
                "ttl": 6494,
                "host": "d.ns.facebook.com"
            }
        ],
        "caa": [
            {
                "tag": "issue",
                "ttl": 2894,
                "flags": 0,
                "value": "digicert.com; account=271b0beda0771d006aa3a6c11b05187d456d6c239b46cb5241196095b09c92af"
            }
        ],
        "soa": [
            {
                "mname": "a.ns.facebook.com",
                "retry": 1800,
                "rname": "dns.facebook.com",
                "expire": 604800,
                "serial": 4207849484,
                "refresh": 14400,
                "minimum_ttl": 300
            }
        ],
        "txt": [
            {
                "ttl": null,
                "txt": "zoom-domain-verification=4b2ef4e1-6dee-4483-9869-9bef353fd147"
            },
            {
                "ttl": null,
                "txt": "facebook-domain-verification=y7isfmi3kzyg1r4wophh9vyb6pgbda"
            },
            {
                "ttl": null,
                "txt": "google-site-verification=A2WZWCNQHrGV_TWwKh6KHY90tY0SHZo_RnyMJoDaG0s"
            },
            {
                "ttl": null,
                "txt": "google-site-verification=wdH5DTJTc9AYNwVunSVFeK0hYDGUIEOGb-RReU6pJlY"
            },
            {
                "ttl": null,
                "txt": "google-site-verification=sK6uY9x7eaMoEMfn3OILqwTFYgaNp4llmguKI-C3_iA"
            },
            {
                "ttl": null,
                "txt": "v=spf1 redirect=_spf.facebook.com"
            }
        ],
        "aaaa": [
            {
                "ttl": 3,
                "ipv6": "2a03:2880:f177:185:face:b00c::25de"
            }
        ],
        "cname": []
    },
    "ssl": {
        "san": [
            "*.facebook.com",
            "*.facebook.net",
            "*.fbcdn.net",
            "*.fbsbx.com",
            "*.m.facebook.com",
            "*.messenger.com",
            "*.xx.fbcdn.net",
            "*.xy.fbcdn.net",
            "*.xz.fbcdn.net",
            "facebook.com",
            "messenger.com"
        ],
        "chain": [
            {
                "issuer": "DigiCert Global G2 TLS RSA SHA256 2020 CA1",
                "subject": "*.facebook.com",
                "valid_to": "2026-05-20T23:59:59+00:00"
            },
            {
                "issuer": "DigiCert Global Root G2",
                "subject": "DigiCert Global G2 TLS RSA SHA256 2020 CA1",
                "valid_to": "2031-03-29T23:59:59+00:00"
            }
        ],
        "issuer": {
            "country": "US",
            "common_name": "DigiCert Global G2 TLS RSA SHA256 2020 CA1",
            "organization": "DigiCert Inc"
        },
        "subject": {
            "state": "California",
            "country": "US",
            "locality": "Menlo Park",
            "common_name": "*.facebook.com",
            "organization": "Meta Platforms, Inc.",
            "organizational_unit": null
        },
        "is_valid": true,
        "valid_to": "2026-05-20T23:59:59+00:00",
        "is_expired": false,
        "valid_from": "2026-02-19T00:00:00+00:00",
        "chain_length": 2,
        "serial_number": "0F883BB3B42655EF8952786D2D33EFB5",
        "days_remaining": 7,
        "is_self_signed": false,
        "signature_algorithm": "RSA-SHA256"
    },
    "tls": {
        "cipher": null,
        "version": null,
        "is_secure": false,
        "is_insecure": false,
        "is_outdated": false
    },
    "https": {
        "has_https": true,
        "hsts_enabled": true,
        "hsts_max_age": 15552000,
        "hsts_preload": true,
        "redirects_to_https": true,
        "hsts_include_subdomains": false
    },
    "whois": {
        "dnssec": false,
        "domain": "FACEBOOK.COM",
        "status": "registered",
        "registrar": "RegistrarSafe, LLC",
        "raw_status": [
            "client delete prohibited",
            "client transfer prohibited",
            "client update prohibited",
            "server delete prohibited",
            "server transfer prohibited",
            "server update prohibited"
        ],
        "expiry_date": "2034-03-30T04:00:00+00:00",
        "nameservers": [
            "A.NS.FACEBOOK.COM",
            "B.NS.FACEBOOK.COM",
            "C.NS.FACEBOOK.COM",
            "D.NS.FACEBOOK.COM"
        ],
        "created_date": "1997-03-29T05:00:00+00:00",
        "updated_date": "2026-05-13T14:52:15+00:00"
    },
    "metrics": {
        "pagerank": 7.55,
        "fetched_at": "2026-05-13T16:53:03+02:00",
        "wayback_snapshots": 50000
    },
    "internal_checks": {
        "open_resolver": {
            "checked_at": "2026-05-13T16:52:35+02:00",
            "nameserver": "c.ns.facebook.com",
            "is_open_resolver": false
        }
    }
}