fbb.dk
📜 Historical scan 2026-07-03 20:28:18  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   263ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   168ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.21.41.61 14400s web31.123hotel.dk AS48854 team.blue Denmark A/S 185.21.40.0/22 🇩🇰 Denmark —
📧 MX Records5 records   276ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s aspmx.l.google.com 2a00:1450:4001:c21::1a
64.233.167.26		 lcfrai-in-f26.1e100.net
wl-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 43200s alt1.aspmx.l.google.com 172.253.152.26
2a00:1450:4010:c22::1b		 yulpptr-in-f26.1e100.net
yulpptr-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 43200s alt2.aspmx.l.google.com 192.178.211.27
2404:6800:4000:1025::1b		 lcbomp-in-f27.1e100.net
lcbomp-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 43200s aspmx2.googlemail.com 172.253.152.26
2a00:1450:4010:c22::1a		 yulpptr-in-f26.1e100.net
yulpptr-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 43200s aspmx3.googlemail.com 192.178.211.27
2404:6800:4000:1025::1a		 lcbomp-in-f27.1e100.net
lcbomp-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover185.21.41.61
🔶 Autoconfig185.21.41.61
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   892ms
TXT Record
google-site-verification=4MWD2Xd_B1wl73QD1xwz-7Yf4B18Dve00iGeHuubFEw
v=spf1 include:_spf.google.com ~all
✉️ SPF
PolicyRecord (fbb.dk)
~all (soft fail) v=spf1 include:_spf.google.com ~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)
🔐 DNSSEC655ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026062901
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
263ms
A
168ms
MX
276ms
AAAA
279ms
TXT
892ms
CAA
153ms
HTTPS
219ms
TLSA
1518ms
SOA
0ms
MTA-STS
204ms
DNSSEC
655ms
SRV
412ms
Total
28530ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 23:59:36 882ms 2 NS 1 A 5 MX 🔒 Secure View
2026-08-03 11:14:18 17051ms 2 NS 1 A 5 MX 🔒 Secure View
2026-07-03 20:28:18 28530ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-17 09:46:36 2015ms 2 NS 1 A 5 MX 🔒 Secure View
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