sumh.dk

📜 Historical scan 2026-09-23 06:57:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sumh.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 May 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.134.42 is hosted by Cloudflare, Inc. (AS13335) in United States. Mail is handled by sumh-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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#

2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.134.42	600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	sumh-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca09::24 2a01:111:f403:ca48::8 2a01:111:f403:ca48::a 52.101.185.114 52.101.68.10 52.101.68.29 52.101.73.120	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am7pr02cu00300.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

1 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:7::a29f:862a	600s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇸🇦 Saudi Arabia	Riyadh

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 236ms

TXT Record
ca3-1e2f8c0ec53e490cbaa6e72be5829286
v=spf1 mx a ip4:185.163.189.51 ip4:185.163.189.52 ip4:185.163.189.53 a:mail.hhdrift.dk include:xdchosting.dk include:relay.mailchannels.net include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (sumh.dk)
-all (hard fail)	v=spf1 mx a ip4:185.163.189.51 ip4:185.163.189.52 ip4:185.163.189.53 a:mail.hhdrift.dk include:xdchosting.dk include:relay.mailchannels.net include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.sumh.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; adkim=r; aspf=r; rua=mailto:abuse@sumh.dk; ruf=mailto:abuse@sumh.dk; fo=0; pct=100; ri=86400

📬 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 2026-10-10 10:27:35

www	162.159.134.42 2606:4700:7::a29f:862a (AS13335) (address records, no CNAME)
www vs bare domain	Same network sumh.dk: 162.159.134.42 2606:4700:7::a29f:862a (AS13335) www.sumh.dk: 162.159.134.42 2606:4700:7::a29f:862a (AS13335)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit
selector1	selector1-sumh-dk._domainkey.sumhdenmark.onmicrosoft.com	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: 9/10 · policy: -all

warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.sumh.dk	sumh.dk.kinstavalidation.app

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026092001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-21 16:24:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-05-16
Expires	2027-05-31 (220d)

🔗 Same registrant#

3 domains

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
fællesomfritiden.dk	DANDOMAIN A/S
ligelyst.dk	DANDOMAIN A/S
osonline.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

32ms

42ms

AAAA

36ms

TXT

236ms

CAA

38ms

HTTPS

47ms

TLSA

978ms

SOA

0ms

MTA-STS

48ms

DNSSEC

72ms

SRV

104ms

Total

3572ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 02:13:32	9847ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 06:57:51 shown	3572ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 02:16:22	1479ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 08:07:05	909ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 19:26:11	2659ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:04:07	1697ms	2 NS 1 A 1 MX	🔒 Secure