netmaster.dk
Last scanned: 2026-09-01 09:34:56  ·  637ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   49ms
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   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
139.177.177.15 600s linode2.netmaster.dk AS63949 Akamai Connected Cloud 139.177.176.0/20 🇩🇪 Germany Frankfurt am Main
📧 MX Records1 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s linode2.netmaster.dk 139.177.177.15 linode2.netmaster.dk AS63949 Akamai Connected Cloud
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   176ms
TXT Record
google-site-verification=YP0zGf6zlBrxGYLjDW9vnXdExreTRsjIiKXsz9Kr5_Q
v=spf1 ip4:139.177.177.15 ip4:139.162.141.251 ip6:2a01:7e01::2000:16ff:fe34:836c ~all
✉️ SPF
PolicyRecord (netmaster.dk)
~all (soft fail) v=spf1 ip4:139.177.177.15 ip4:139.162.141.251 ip6:2a01:7e01::2000:16ff:fe34:836c ~all
📨 DMARC
PolicyRecord (_dmarc.netmaster.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:dmarc@netmaster.dk; ruf=mailto:dmarc@netmaster.dk; sp=none; aspf=r; adkim=r; pct=100;
📬 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)
🔐 DNSSEC97ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026083102
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
49ms
A
52ms
MX
43ms
AAAA
49ms
TXT
176ms
CAA
69ms
HTTPS
62ms
TLSA
71ms
SOA
0ms
MTA-STS
77ms
DNSSEC
97ms
SRV
69ms
Total
637ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 09:34:56 637ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-07 08:01:18 1021ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-06 11:36:20 654ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-01 12:16:53 529ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 18:57:13 848ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 01:26:09 648ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 20:22:47 760ms 2 NS 1 A 1 MX 🔒 Secure View
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