oh3.dk

📜 Historical scan 2026-08-29 10:05:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

oh3.dk is a .dk domain served by 2 nameservers (earl.ns.cloudflare.com, lola.ns.cloudflare.com). It first appeared in the .dk zone on 27 August 2026. Its website address 104.21.8.169 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com. 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 85ms

Nameserver	IP addresses	PTR	ASN / ISP
earl.ns.cloudflare.com	108.162.193.161 172.64.33.161 173.245.59.161 2606:4700:58::adf5:3ba1 2803:f800:50::6ca2:c1a1 2a06:98c1:50::ac40:21a1	earl.ns.cloudflare.com earl.ns.cloudflare.com earl.ns.cloudflare.com earl.ns.cloudflare.com earl.ns.cloudflare.com earl.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lola.ns.cloudflare.com	108.162.192.132 172.64.32.132 173.245.58.132 2606:4700:50::adf5:3a84 2803:f800:50::6ca2:c084 2a06:98c1:50::ac40:2084	lola.ns.cloudflare.com lola.ns.cloudflare.com lola.ns.cloudflare.com lola.ns.cloudflare.com lola.ns.cloudflare.com lola.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 81ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.8.169	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.139.204	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 82ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	142.251.127.26 142.251.127.27 2a00:1450:4001:c21::1a 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.8.169
🔶 Autoconfig	172.67.139.204

🔷 AAAA Records (IPv6)#

2 records 77ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:8bcc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:8a9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 58ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.8.169,172.67.139.204 ech=AEX+DQBBMQAgACCy058hJovyjVmeOjZykbK/FCRfd/L2tWiDiltP51M/dwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:8bcc,2606:4700:3035::6815:8a9

📝 TXT Records#

1 records 292ms

TXT Record
v=spf1 include:_spf.google.com -all

✉️ SPF#

Policy	Record (oh3.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -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 14:44:26

www	104.21.8.169 172.67.139.204 2606:4700:3033::ac43:8bcc 2606:4700:3035::6815:8a9 (AS13335) (address records, no CNAME)
www vs bare domain	Same network oh3.dk: 104.21.8.169 172.67.139.204 2606:4700:3033::ac43:8bcc 2606:4700:3035::6815:8a9 (AS13335) www.oh3.dk: 104.21.8.169 172.67.139.204 2606:4700:3033::ac43:8bcc 2606:4700:3035::6815:8a9 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

182ms

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	2413396171
Primary NS (MNAME)	earl.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

85ms

81ms

82ms

AAAA

77ms

TXT

292ms

CAA

63ms

HTTPS

58ms

TLSA

163ms

SOA

0ms

MTA-STS

122ms

DNSSEC

182ms

SRV

150ms

Total

1379ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-19 11:25:34	1216ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-29 10:05:55 shown	1379ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 08:34:15	1326ms	2 NS 2 A 1 MX	🔓 Insecure