cetcenter.dk
Last scanned: 2026-08-19 14:15:14  ·  5038ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
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
35.214.157.188 600s 188.157.214.35.bc.googleusercontent.com AS43515 Google Ireland Limited 35.214.128.0/17 🇳🇱 The Netherlands Groningen
📧 MX Records3 records   50ms
PriorityTTLMail ServerIP addressesPTRASN
1 43200s aspmx.l.google.com 173.194.73.26
2a00:1450:4010:c0d::1b
2a00:1450:4010:c0d::1b		 lq-in-f26.1e100.net
lq-in-f27.1e100.net
lq-in-x1b.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
5 43200s alt3.aspmx.l.google.com 172.253.158.27
2404:6800:4003:c26::1a		 so-in-f27.1e100.net
so-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 43200s alt2.aspmx.l.google.com 173.194.41.26
173.194.41.26
2404:6800:4001:c01::1a		 mad01s14-in-f26.1e100.net
yukulwh-in-f26.1e100.net
yukulwh-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovercetcenter.dk → 35.214.157.188
🔶 Autoconfigcetcenter.dk → 35.214.157.188
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   181ms
TXT Record
brevo-code:ea09d2702285a6b56e016bce8f1299bf
v=spf1 include:_spf.google.com ~all
✉️ SPF
PolicyRecord (cetcenter.dk)
~all (soft fail) v=spf1 include:_spf.google.com ~all
📨 DMARC
PolicyRecord (_dmarc.cetcenter.dk)
p=none (monitor only) v=DMARC1; p=none
📬 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.cetcenter.dk cetcenter.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC88ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA39ms
FieldValue
Serial2026032401
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
31ms
A
55ms
MX
50ms
AAAA
55ms
TXT
181ms
CAA
56ms
HTTPS
54ms
TLSA
97ms
SOA
39ms
MTA-STS
84ms
DNSSEC
88ms
SRV
81ms
Total
5038ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-19 14:15:14 5038ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-15 13:58:26 5041ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-12 07:27:20 7026ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-20 17:13:56 1539ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-16 20:10:04 689ms 2 NS 1 A 3 MX 🔒 Secure View
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