centlex.dk DNS records

🖥️ Nameservers2 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.au.dk	20.73.178.34	ns3.au.dk	AS8075 Microsoft Corporation
ns4.au.dk	185.45.20.154	ns4.au.dk	AS62138 Aarhus Universitet

🌍 A Records

🌍

No A records found

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 113ms

TXT Record
v=spf1 include:spf.au.dk -all

✉️ SPF

Policy	Record (centlex.dk)
-all (hard fail)	v=spf1 include:spf.au.dk -all

📨 DMARC

Policy	Record (_dmarc.centlex.dk)
p=reject	v=DMARC1;p=reject;pct=100;rua=mailto:ced1e70d2c70635@rep.dmarcanalyzer.com;ruf=mailto:ced1e70d2c70635@for.dmarcanalyzer.com;aspf=r;

📬 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)

🔐 DNSSEC102ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	1371734068
Primary NS (MNAME)	infobloxgm3.au.dk
Responsible (RNAME)	auit-dns@au.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

27ms

A

32ms

MX

30ms

AAAA

34ms

TXT

113ms

CAA

29ms

HTTPS

38ms

TLSA

15ms

SOA

0ms

MTA-STS

46ms

DNSSEC

102ms

SRV

41ms

Total

342ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 16:20:01	342ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-31 05:20:42	832ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-29 08:42:35	848ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-28 04:44:34	359ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-27 01:27:50	428ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-25 05:50:23	534ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-24 05:13:18	2048ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-23 00:26:33	1530ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-22 00:19:22	8865ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-20 23:53:07	560ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-19 22:37:50	828ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-18 22:14:39	2660ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-17 20:28:42	3179ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-16 18:27:12	2475ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-15 14:22:16	1048ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-13 05:01:45	2266ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-11 03:54:18	513ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-09 21:47:45	536ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-06 19:42:10	526ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-07-31 01:22:05	567ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-07-28 23:34:19	6342ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-07-27 09:19:20	841ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-07-26 08:56:39	537ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-07-25 08:29:20	692ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-07-24 06:20:35	8603ms	2 NS 0 A 0 MX	🔒 Secure	View