sundsnet.dk

📜 Historical scan 2026-09-13 06:17:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sundsnet.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 15 April 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.125 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by sundsnet-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 57ms

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 Records#

1 records 70ms

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 Records#

1 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	14400s	sundsnet-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::6 2a01:111:f403:ca09::20 2a01:111:f403:ca48::10 52.101.103.143 52.101.181.156 52.101.68.12 52.101.68.21	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.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 50ms

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 Records#

1 records 108ms

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

📝 TXT Records#

3 records 285ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-19 19:08:11

www CNAME	sundsnet.dk (all on sundsnet.dk) → 178.20.216.125 2a01:7cc0:101:ffff::1:13 (AS21060)
www vs bare domain	Same network sundsnet.dk: 178.20.216.125 2a01:7cc0:101:ffff::1:13 (AS21060) www.sundsnet.dk: 178.20.216.125 2a01:7cc0:101:ffff::1:13 (AS21060)
Wildcard	No

✍️ DKIM keys#

3 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
selector1	selector1-sundsnet-dk._domainkey.sundsnet.k-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-sundsnet-dk._domainkey.sundsnet.k-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: ~all

No problems found

🔏 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)

🔐 DNSSEC#

105ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

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#

WHOIS fetched 2026-10-20 01:11:48

Field	Value
Registrar	CURANET A/S
Registered	2019-04-15
Expires	2027-04-30 (191d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
sundself.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

57ms

70ms

64ms

AAAA

50ms

TXT

285ms

CAA

58ms

HTTPS

56ms

TLSA

645ms

SOA

0ms

MTA-STS

73ms

DNSSEC

105ms

SRV

108ms

Total

1333ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 23:20:57	1226ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-23 02:57:56	1546ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-14 18:08:41	1446ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-13 06:17:35 shown	1333ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-26 04:45:54	3305ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-19 04:16:28	2574ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-11 10:57:50	3938ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-27 14:52:47	1092ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-18 04:03:54	1468ms	3 NS 1 A 1 MX	🔓 Insecure