fbappcenter.dk
Last scanned: 2026-08-27 05:37:49  ·  557ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   33ms
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 Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   200ms
TXT Record
v=spf1 a ~all
✉️ SPF
PolicyRecord (fbappcenter.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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC92ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ 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
33ms
A
44ms
MX
34ms
AAAA
45ms
TXT
200ms
CAA
55ms
HTTPS
65ms
TLSA
46ms
SOA
0ms
MTA-STS
74ms
DNSSEC
92ms
SRV
82ms
Total
557ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 05:37:49 557ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-08-25 01:40:23 2231ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-06-29 07:20:39 5077ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-06-21 11:06:50 16208ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 09:13:43 2711ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 09:39:30 16500ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 16:34:01 24621ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 09:37:03 1537ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 05:55:20 24768ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 09:29:15 6814ms 0 NS 0 A 0 MX ❓ Unknown View
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