fjernvarmeguide.dk
Last scanned: 2026-08-27 12:53:21  ·  9589ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   47ms
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   55ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.213.138 3600s webcluster1.webpod14-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   38ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:10c:50:ff32:892:9dc9 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen
🔐 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC9090ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082402
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 RegistrationWHOIS fetched 2026-08-26 12:31:26
FieldValue
RegistrarONE.COM A/S
Registered2023-02-10
Expires2027-02-09 (158d)
📋 WHOIS
⏱️ Lookup Timing
NS
47ms
A
55ms
MX
37ms
AAAA
38ms
TXT
201ms
CAA
54ms
HTTPS
60ms
TLSA
62ms
SOA
0ms
MTA-STS
63ms
DNSSEC
9090ms
SRV
68ms
Total
9589ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 12:53:21 9589ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 23:56:33 470ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 12:24:47 435ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 21:02:16 8595ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 02:32:41 578ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-01 17:52:44 572ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 19:28:14 439ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 13:00:38 446ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 06:22:04 740ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 09:36:22 538ms 2 NS 1 A 0 MX 🔒 Secure View
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