sun21.dk DNS records

🖥️ Nameservers5 records 46ms

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 281ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.116.232.201	3600s	201.giga-ptr.232.116.217.in-addr.arpa web1.gigahost.dk	AS47292	Sentia Denmark A/S	217.116.224.0/20	🇩🇰 Denmark	—

📧 MX Records4 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sun21-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::c 2a01:111:f403:ca04::d 2a01:111:f403:ca09::20 52.101.68.21 52.101.68.27 52.101.73.24 52.101.73.26	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation
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	autodiscover.outlook.com → 52.98.149.152
🔶 Autoconfig	sun21.dk → 217.116.232.201

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 281ms

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

📝 TXT Records2 records 259ms

TXT Record
MS=ms48507173
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (sun21.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 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.sun21.dk	sun21.dk

🔗 TLSA / DANE

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

🔐 DNSSEC2066ms

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@sun21.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

46ms

A

281ms

MX

57ms

AAAA

59ms

TXT

259ms

CAA

65ms

HTTPS

42ms

TLSA

677ms

SOA

0ms

MTA-STS

72ms

DNSSEC

2066ms

SRV

281ms

Total

3633ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 11:31:33	3633ms	5 NS 1 A 4 MX	🔓 Insecure	View
2026-08-20 02:57:50	2723ms	5 NS 1 A 4 MX	🔓 Insecure	View
2026-08-14 18:36:14	6314ms	5 NS 1 A 4 MX	🔓 Insecure	View
2026-08-06 22:05:16	3489ms	5 NS 1 A 4 MX	🔓 Insecure	View
2026-08-03 19:57:46	9391ms	5 NS 1 A 4 MX	🔓 Insecure	View
2026-07-23 16:59:17	9239ms	5 NS 1 A 4 MX	🔓 Insecure	View
2026-07-17 04:53:51	1685ms	5 NS 1 A 4 MX	🔓 Insecure	View
2026-07-09 22:38:30	3642ms	5 NS 1 A 4 MX	🔓 Insecure	View
2026-07-04 05:38:31	4433ms	5 NS 1 A 4 MX	🔓 Insecure	View
2026-06-28 20:32:25	1162ms	5 NS 1 A 4 MX	🔓 Insecure	View
2026-06-19 01:28:57	4262ms	5 NS 1 A 4 MX	⚠️ Bogus	View
2026-06-17 22:09:54	1049ms	5 NS 1 A 4 MX	🔓 Insecure	View