sizezero.dk DNS records

🖥️ Nameservers5 records 45ms

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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.186.169.203	3600s	—	AS47292	Sentia Denmark A/S	89.186.168.0/23	🇩🇰 Denmark	Valby

📧 MX Records3 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S
20	3600s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
30	3600s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	sizezero.dk → 89.186.169.203
🔶 Autoconfig	sizezero.dk → 89.186.169.203

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 210ms

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.sizezero.dk	sizezero.dk

🔗 TLSA / DANE

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

🔐 DNSSEC290ms

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@sizezero.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

45ms

A

49ms

MX

33ms

AAAA

33ms

TXT

278ms

CAA

39ms

HTTPS

43ms

TLSA

168ms

SOA

0ms

MTA-STS

60ms

DNSSEC

290ms

SRV

210ms

Total

846ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 09:37:46	846ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-26 09:36:37	9503ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 10:37:00	1997ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-16 23:39:43	6009ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-09 18:23:49	1430ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-30 05:06:44	2326ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 06:18:33	9055ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-16 06:08:11	9577ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-09 22:07:55	9689ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-04 09:17:58	3158ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 04:23:45	727ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-24 21:38:30	2031ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-22 05:15:46	660ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 12:56:37	2224ms	5 NS 1 A 3 MX	🔓 Insecure	View