headz-up.dk DNS records

🖥️ Nameservers5 records 184ms

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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.109.209	3600s	vm0922.enterprisecloud.nu	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records3 records 44ms

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	headz-up.dk → 94.231.109.209
🔶 Autoconfig	headz-up.dk → 94.231.109.209

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 240ms

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.headz-up.dk	headz-up.dk

🔗 TLSA / DANE

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

🔐 DNSSEC308ms

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@headz-up.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

184ms

A

44ms

MX

44ms

AAAA

49ms

TXT

144ms

CAA

277ms

HTTPS

32ms

TLSA

51ms

SOA

0ms

MTA-STS

213ms

DNSSEC

308ms

SRV

240ms

Total

814ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:42:27	814ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 19:30:25	3011ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-13 23:16:00	1215ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-06 10:26:19	11034ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-01 21:49:26	2723ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 12:50:57	9377ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-16 12:41:21	1368ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-09 19:10:12	1183ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 10:09:34	1806ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-25 22:17:04	1288ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-24 05:24:38	1285ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-24 00:00:23	1003ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 18:26:17	695ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 11:02:51	883ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 10:58:03	2051ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 10:55:46	650ms	5 NS 1 A 3 MX	🔓 Insecure	View