cltb.dk DNS records

🖥️ Nameservers5 records 65ms

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 230ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.116.232.212	3600s	212.giga-ptr.232.116.217.in-addr.arpa web12.gigahost.dk	AS47292	Sentia Denmark A/S	217.116.224.0/20	🇩🇰 Denmark	—

📧 MX Records3 records 284ms

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	cltb.dk → 217.116.232.212
🔶 Autoconfig	cltb.dk → 217.116.232.212

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 344ms

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.cltb.dk	cltb.dk

🔗 TLSA / DANE

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

🔐 DNSSEC114ms

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	2026082701
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@cltb.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

65ms

A

230ms

MX

284ms

AAAA

62ms

TXT

260ms

CAA

213ms

HTTPS

75ms

TLSA

72ms

SOA

0ms

MTA-STS

92ms

DNSSEC

114ms

SRV

344ms

Total

970ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 16:00:32	970ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 15:02:56	6979ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-13 09:45:50	1904ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-09 10:36:14	977ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-31 12:31:56	2671ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 03:29:32	1109ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-16 10:23:46	1125ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-09 02:23:35	8793ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 03:46:01	2123ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-27 18:45:04	2358ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 10:44:50	837ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-24 23:12:10	927ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-18 11:04:22	1584ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-16 21:26:23	745ms	5 NS 1 A 3 MX	🔓 Insecure	View