gustafsen.dk
Last scanned: 2026-08-31 11:30:05  ·  739ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   36ms
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   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
23.236.62.147 3600s 147.62.236.23.bc.googleusercontent.com AS396982 Google LLC 23.236.48.0/20 🇺🇸 United States Council Bluffs
📧 MX Records4 records   46ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.mailpod16-cph3.g1i.one.com 5.249.232.33 mx1.mailpod16-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx2.mailpod16-cph3.g1i.one.com 5.249.232.34 mx2.mailpod16-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx3.mailpod16-cph3.g1i.one.com 5.249.232.35 mx3.mailpod16-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx4.mailpod16-cph3.g1i.one.com 5.249.232.36 mx4.mailpod16-cph3.g1i.one.com AS51468 One.com A/S
🔷 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
🔗 TLSA / DANE4 records   107ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 24689A1B29BE70163B6DCF262497B6EC…
🔐 DNSSEC96ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082905
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
36ms
A
38ms
MX
46ms
AAAA
57ms
TXT
177ms
CAA
39ms
HTTPS
33ms
TLSA
107ms
SOA
0ms
MTA-STS
74ms
DNSSEC
96ms
SRV
69ms
Total
739ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 11:30:05 739ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-30 04:35:20 1177ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-25 19:07:18 4672ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-12 17:49:08 4893ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-11 04:48:37 5023ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-06 20:01:44 2853ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-28 12:36:12 4814ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-12 04:46:15 914ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-07 03:27:00 1578ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-03 11:54:53 681ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-20 16:59:34 2203ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-17 10:06:13 1074ms 2 NS 1 A 3 MX 🔒 Secure View
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