sundsnet.dk DNS records

🖥️ Nameservers3 records 59ms

Nameserver	IP addresses	PTR	ASN / ISP
ns5.chosting.dk	167.235.66.236 2a01:4f8:1c1e:d097::1	ns5.chosting.dk ns5.chosting.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns6.chosting.dk	2001:41d0:305:2100::80e9 51.91.57.33	ns6.chosting.dk ns6.chosting.dk	AS16276 OVH SAS AS16276 OVH SAS
ns7.chosting.dk	178.20.220.33	ns7.chosting.dk	AS21060 Atea A/S

🌍 A Records1 records 99ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.125	14400s	server17.chosting.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	14400s	sundsnet-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::20 2a01:111:f403:ca09::3 2a01:111:f403:ca48::8 52.101.68.15 52.101.68.36 52.101.68.5 52.101.73.15	mail-db4pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	178.20.216.125

🔷 AAAA Records (IPv6)1 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:7cc0:101:ffff::1:13	14400s	—	AS21060	Atea A/S	2a01:7cc0:100:0:0:0:0:0/40	🇩🇰 Denmark	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 2044ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records3 records 292ms

TXT Record
MS=ms28995976
MS=ms72814859
v=spf1 ip4:178.20.216.125 include:spf.chosting.dk ip4:178.20.216.128 include:_spf.mailersend.net include:spf.protection.outlook.com ip4:178.20.216.7 +a +mx ~all

✉️ SPF

Policy	Record (sundsnet.dk)
~all (soft fail)	v=spf1 ip4:178.20.216.125 include:spf.chosting.dk ip4:178.20.216.128 include:_spf.mailersend.net include:spf.protection.outlook.com ip4:178.20.216.7 +a +mx ~all

📨 DMARC

Policy	Record (_dmarc.sundsnet.dk)
p=reject	v=DMARC1; p=reject;

📬 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
TXT	_acme-challenge.sundsnet.dk	qR4w_T4R5viBHyhwICV4c4-QFb8sJoQOf86PNt0NiYU

🔗 TLSA / DANE

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

🔐 DNSSEC103ms

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	2026081709
Primary NS (MNAME)	ns5.chosting.dk
Responsible (RNAME)	notification@fioniait.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

59ms

A

99ms

MX

52ms

AAAA

56ms

TXT

292ms

CAA

65ms

HTTPS

73ms

TLSA

677ms

SOA

0ms

MTA-STS

100ms

DNSSEC

103ms

SRV

2044ms

Total

3305ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 04:45:54	3305ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-19 04:16:28	2574ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-11 10:57:50	3938ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 14:52:47	1092ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 04:03:54	1468ms	3 NS 1 A 1 MX	🔓 Insecure	View