nicolajholm.dk
Last scanned: 2026-09-04 07:26:36  ·  4649ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
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   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
212.97.133.238 43200s — AS48854 team.blue Denmark A/S 212.97.132.0/22 🇩🇰 Denmark Skanderborg
📧 MX Records1 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail20.surftown.dk — — —
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovernicolajholm.dk → 212.97.133.238
🔶 Autoconfignicolajholm.dk → 212.97.133.238
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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.nicolajholm.dk nicolajholm.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC77ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
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
32ms
A
33ms
MX
39ms
AAAA
34ms
TXT
172ms
CAA
40ms
HTTPS
49ms
TLSA
4030ms
SOA
0ms
MTA-STS
63ms
DNSSEC
77ms
SRV
52ms
Total
4649ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 07:26:36 4649ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-15 21:04:37 8666ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 19:34:13 4698ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 09:56:30 16831ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 04:45:29 8659ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 04:12:00 4638ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 14:51:27 4485ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 08:00:37 4542ms 2 NS 1 A 1 MX ⚠️ Bogus View
2026-06-18 03:12:08 1844ms 2 NS 1 A 1 MX 🔒 Secure View
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