cndtu.dk DNS records

🖥️ Nameservers5 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gigahost.dk	46.183.139.31	ns1.gigahost.dk	AS47292 Sentia Denmark A/S
ns2.gigahost.dk	46.183.139.222	web22.gigahost.dk	AS47292 Sentia Denmark A/S
ns3.gigahost.dk	71.19.249.71	ns3.gigahost.dk	AS11831 eSecureData
ns4.gigahost.dk	51.79.215.130	ns4.gigahost.dk	AS16276 OVH SAS
ns5.gigahost.dk	77.74.192.83	ns5.gigahost.dk	AS42831 UK Dedicated Servers Limited

🌍 A Records1 records 213ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.183.138.100	3600s	—	AS47292	Sentia Denmark A/S	46.183.138.0/23	🇩🇰 Denmark	—

📧 MX Records3 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	cndtu.dk → 46.183.138.100
🔶 Autoconfig	cndtu.dk → 46.183.138.100

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 238ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.cndtu.dk	cndtu.dk

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC299ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026090301
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@cndtu.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

213ms

MX

59ms

AAAA

204ms

TXT

339ms

CAA

64ms

HTTPS

196ms

TLSA

90ms

SOA

0ms

MTA-STS

73ms

DNSSEC

299ms

SRV

238ms

Total

1040ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 14:27:57	1040ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-27 12:53:37	859ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 17:23:11	1980ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-13 16:00:24	16710ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-06 20:09:42	1583ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-30 05:26:23	10139ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 14:07:55	1718ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-16 18:09:05	1215ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-09 03:02:51	8831ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 11:30:20	4091ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 00:36:31	1045ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-21 08:38:44	489ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-20 17:18:24	483ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 00:30:06	40922ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 21:38:53	1907ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-16 21:30:18	1184ms	5 NS 1 A 3 MX	🔓 Insecure	View