isitup.dk
Last scanned: 2026-08-15 13:05:38  ·  7165ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   34ms
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   44ms
IPTTLPTRASNISP / OrgCIDRCountryCity
92.205.14.186 3600s 186.14.205.92.host.secureserver.net AS21499 Host Europe GmbH 92.205.0.0/19 🇫🇷 France Strasbourg
📧 MX Records2 records   51ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mail.127001.dk 92.204.80.20 sxplibsmtp-v01.prod.sxb1.secureserver.net AS21499 Host Europe GmbH
10 600s mailstore.127001.dk 92.204.80.19 sxplibsmtp-v02.prod.sxb1.secureserver.net AS21499 Host Europe GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverisitup.dk → 92.205.14.186
🔶 Autoconfigisitup.dk → 92.205.14.186
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   168ms
TXT Record
v=spf1 a mx include:_spf.google.com include:secureserver.net include:spf.server-he.de -all
✉️ SPF
PolicyRecord (isitup.dk)
-all (hard fail) v=spf1 a mx include:_spf.google.com include:secureserver.net include:spf.server-he.de -all
📨 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.isitup.dk isitup.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC79ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA42ms
FieldValue
Serial2026081201
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
34ms
A
44ms
MX
51ms
AAAA
56ms
TXT
168ms
CAA
51ms
HTTPS
43ms
TLSA
2138ms
SOA
42ms
MTA-STS
57ms
DNSSEC
79ms
SRV
61ms
Total
7165ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-15 13:05:38 7165ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-13 10:50:17 937ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-19 15:15:42 6920ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-15 07:06:41 1039ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-27 09:22:13 882ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-25 01:44:40 2390ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-22 19:10:14 1006ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-22 17:10:21 1166ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 15:33:55 951ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-18 00:26:20 811ms 2 NS 1 A 2 MX 🔒 Secure View
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