nikolajnikolajsen.dk
Last scanned: 2026-08-27 16:05:10  ·  585ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   48ms
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   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
184.106.128.16 43200s 184-106-128-16.static.cloud-ips.com AS19994 Rackspace Hosting 184.106.128.0/17 🇺🇸 United States —
📧 MX Records1 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.nikolajnikolajsen.dk 184.106.128.16 184-106-128-16.static.cloud-ips.com AS19994 Rackspace Hosting
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   211ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (nikolajnikolajsen.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.nikolajnikolajsen.dk)
p=reject v=DMARC1; p=reject
📬 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)
🔐 DNSSEC94ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026041301
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
48ms
A
42ms
MX
48ms
AAAA
47ms
TXT
211ms
CAA
36ms
HTTPS
48ms
TLSA
66ms
SOA
0ms
MTA-STS
47ms
DNSSEC
94ms
SRV
62ms
Total
585ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 16:05:10 585ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 02:31:52 2402ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 20:11:34 1143ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 19:26:07 1173ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 03:35:25 621ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 14:44:25 999ms 2 NS 1 A 1 MX 🔒 Secure View
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