openomic.dk

📜 Historical scan 2026-09-12 05:53:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

openomic.dk is a .dk domain served by 2 nameservers (maciej.ns.cloudflare.com, sue.ns.cloudflare.com). It was registered on 31 January 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.51.55 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.zoho.eu, mx2.zoho.eu and 1 more. The zone is not DNSSEC-signed, has no 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
maciej.ns.cloudflare.com	108.162.195.42 162.159.44.42 172.64.35.42 2606:4700:58::a29f:2c2a 2803:f800:50::6ca2:c32a 2a06:98c1:50::ac40:232a	maciej.ns.cloudflare.com maciej.ns.cloudflare.com maciej.ns.cloudflare.com maciej.ns.cloudflare.com maciej.ns.cloudflare.com maciej.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sue.ns.cloudflare.com	108.162.192.145 172.64.32.145 173.245.58.145 2606:4700:50::adf5:3a91 2803:f800:50::6ca2:c091 2a06:98c1:50::ac40:2091	sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com sue.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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.51.55	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.221.167	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166	mx3.zoho.eu mx.zoho.eu mx2.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
20	300s	mx2.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166	mx3.zoho.eu mx.zoho.eu mx2.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
50	300s	mx3.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166	mx3.zoho.eu mx.zoho.eu mx2.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V

🔷 AAAA Records (IPv6)#

2 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:dda7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:3337	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 55ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.51.55,172.67.221.167 ech=AEX+DQBBEQAgACC1TbaFU6ChoopZncKYpDu4/9cfSsPKrrNqnv50uDtRQAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:dda7,2606:4700:3033::6815:3337

📝 TXT Records#

3 records 201ms

TXT Record
google-site-verification=3SNikdI63pevHh4eG5CwpO-IEjpYAvh05QtbgDPS3Gc
v=spf1 include:zoho.eu ~all
zoho-verification=zb91912505.zmverify.zoho.eu

✉️ SPF#

Policy	Record (openomic.dk)
~all (soft fail)	v=spf1 include:zoho.eu ~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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 12:46:47

www	104.21.51.55 172.67.221.167 2606:4700:3030::ac43:dda7 2606:4700:3033::6815:3337 (AS13335) (address records, no CNAME)
www vs bare domain	Same network openomic.dk: 104.21.51.55 172.67.221.167 2606:4700:3030::ac43:dda7 2606:4700:3033::6815:3337 (AS13335) www.openomic.dk: 104.21.51.55 172.67.221.167 2606:4700:3030::ac43:dda7 2606:4700:3033::6815:3337 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.openomic.dk	-jRhIJ_RNdCDJlaMSYctmJaqbJRMq9jo3t497d5Lhwg
TXT	_acme-challenge.openomic.dk	uZXjhmBcAVEwVniAVb8eyzimQ3-_r9-ol8vtx0IpddY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

91ms

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	2414422836
Primary NS (MNAME)	maciej.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 08:53:04

Field	Value
Registrar	Simply.com A/S
Registered	2021-01-31
Expires	2027-01-31 (105d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

49ms

55ms

AAAA

56ms

TXT

201ms

CAA

54ms

HTTPS

55ms

TLSA

524ms

SOA

0ms

MTA-STS

60ms

DNSSEC

91ms

SRV

68ms

Total

1235ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 04:20:06	971ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-26 05:15:08	962ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-25 04:58:42	9504ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-23 23:07:08	991ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-21 01:04:29	1608ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-17 21:09:20	1541ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-13 15:34:52	1361ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-12 05:53:09 shown	1235ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-09 20:16:38	1056ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-27 03:29:18	1848ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-18 01:43:45	3451ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-23 02:30:57	1132ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-21 05:04:52	635ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-18 08:39:21	4801ms	2 NS 2 A 3 MX	🔓 Insecure