omb.dk

📜 Historical scan 2026-06-24 20:48:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

omb.dk is a .dk domain served by 2 nameservers (elsa.ns.cloudflare.com, roan.ns.cloudflare.com). It was registered on 12 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.49.202 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by omb-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#

2 records 224ms

Nameserver	IP addresses	PTR	ASN / ISP
elsa.ns.cloudflare.com	108.162.192.111 172.64.32.111 173.245.58.111 2606:4700:50::adf5:3a6f 2803:f800:50::6ca2:c06f 2a06:98c1:50::ac40:206f	elsa.ns.cloudflare.com elsa.ns.cloudflare.com elsa.ns.cloudflare.com elsa.ns.cloudflare.com elsa.ns.cloudflare.com elsa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
roan.ns.cloudflare.com	108.162.193.226 172.64.33.226 173.245.59.226 2606:4700:58::adf5:3be2 2803:f800:50::6ca2:c1e2 2a06:98c1:50::ac40:21e2	roan.ns.cloudflare.com roan.ns.cloudflare.com roan.ns.cloudflare.com roan.ns.cloudflare.com roan.ns.cloudflare.com roan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 262ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.49.202	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.167.23	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 246ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1800s	omb-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::d 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.0 52.101.73.1 52.101.73.2 52.101.73.8	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr04cu00500.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

🔷 AAAA Records (IPv6)#

2 records 233ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:31ca	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:a717	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 245ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.49.202,172.67.167.23 ech=AEX+DQBB1wAgACA2G2Rv8+9j8xNp2R30q0WtpngMttOPfo1lR/P5M7CRYAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:31ca,2606:4700:3033::ac43:a717

📝 TXT Records#

3 records 584ms

TXT Record
MS=ms67254703
NisExuFEo5pyHmjnoNtuLkEjyGRqg5rH76lhFZZQ/aFIXw/ZU1YHWv5tE2bCQxRjSO+brkhC6DA8QNL392SzeQ==
v=spf1 include:spf.zitcom.dk include:customerspf.sitecore.net include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (omb.dk)
-all (hard fail)	v=spf1 include:spf.zitcom.dk include:customerspf.sitecore.net include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.omb.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:633c00dc7e5f7@dmarc.centerasecurity.com; ruf=mailto:dmarcforensics@nc.dk; fo=1;

📬 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 2026-10-13 10:18:19

www	104.21.49.202 172.67.167.23 2606:4700:3035::ac43:a717 2606:4700:3036::6815:31ca (AS13335) (address records, no CNAME)
www vs bare domain	Same network omb.dk: 104.21.49.202 172.67.167.23 2606:4700:3035::ac43:a717 2606:4700:3036::6815:31ca (AS13335) www.omb.dk: 104.21.49.202 172.67.167.23 2606:4700:3035::ac43:a717 2606:4700:3036::6815:31ca (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-omb-dk._domainkey.ncgdk.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-omb-dk._domainkey.ncgdk.onmicrosoft.com	RSA · ~1024 bit below 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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

435ms

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

🏷️ SOA#

431ms

Field	Value
Serial	2406415684
Primary NS (MNAME)	elsa.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 01:00:04

Field	Value
Registrar	Eurodns S.A
Registered	1997-02-12
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

224ms

262ms

246ms

AAAA

233ms

TXT

584ms

CAA

208ms

HTTPS

245ms

TLSA

259ms

SOA

431ms

MTA-STS

245ms

DNSSEC

435ms

SRV

245ms

Total

2024ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 00:38:33	1356ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 22:11:17	1329ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 06:30:51	1810ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 18:12:44	1256ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 10:29:48	2795ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-19 20:09:29	1274ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 17:29:09	2362ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 20:48:24 shown	2024ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 15:50:09	1178ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 22:41:46	805ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 00:32:59	1036ms	2 NS 2 A 1 MX	🔓 Insecure