facebook.dk
Last scanned: 2026-07-30 22:06:08  ·  8918ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   46ms
NameserverIP addressesPTRASN / ISP
a.ns.facebook.com 129.134.30.12
2a03:2880:f0fc:c:face:b00c:0:35		 a.ns.facebook.com
a.ns.facebook.com		 AS32934 Facebook, Inc.
AS32934 Facebook, Inc.
b.ns.facebook.com 129.134.31.12
2a03:2880:f0fd:c:face:b00c:0:35		 b.ns.facebook.com
b.ns.facebook.com		 AS32934 Facebook, Inc.
AS32934 Facebook, Inc.
c.ns.facebook.com 185.89.218.12
2a03:2880:f1fc:c:face:b00c:0:35		 c.ns.facebook.com
c.ns.facebook.com		 AS32934 Facebook, Inc.
AS32934 Facebook, Inc.
d.ns.facebook.com 185.89.219.12
2a03:2880:f1fd:c:face:b00c:0:35		 d.ns.facebook.com
d.ns.facebook.com		 AS32934 Facebook, Inc.
AS32934 Facebook, Inc.
🌍 A Records1 records   34ms
IPTTLPTRASNISP / OrgCIDRCountryCity
31.13.72.8 34s edge-star-shv-01-arn2.facebook.com AS32934 Facebook, Inc. 31.13.64.0/18 🇸🇪 Sweden Bromma
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverwww.facebook.com → 31.13.72.36
🔶 Autoconfigwww.facebook.com → 157.240.200.35
🔷 AAAA Records (IPv6)1 records   49ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a03:2880:f00a:8:face:b00c:0:2 60s edge-star6-shv-01-arn2.facebook.com AS32934 Facebook, Inc. 2a03:2880:0:0:0:0:0:0/32 🇸🇪 Sweden Bromma
🔐 HTTPS Records2 records   41ms
PriorityTargetSvcParams
1 service . alpn="h2,h3"
2 service star.fallback.c10r.facebook.com. alpn="h2,h3"
📝 TXT Records1 records   8218ms
TXT Record
v=spf1 a ~all
✉️ SPF
PolicyRecord (facebook.dk)
~all (soft fail) v=spf1 a ~all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.facebook.dk www.facebook.com
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC127ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial4207849484
Primary NS (MNAME)a.ns.facebook.com
Responsible (RNAME)dns@facebook.com
Refresh14400s
Retry1800s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
34ms
MX
50ms
AAAA
49ms
TXT
8218ms
CAA
43ms
HTTPS
41ms
TLSA
55ms
SOA
0ms
MTA-STS
54ms
DNSSEC
127ms
SRV
128ms
Total
8918ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-30 22:06:08 8918ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-07-28 08:38:30 17667ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-07-02 00:00:21 3096ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 09:11:13 1171ms 4 NS 1 A 0 MX 🔓 Insecure View
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