diplomer.dk

📜 Historical scan 2026-08-25 13:47:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

diplomer.dk is a .dk domain served by 2 nameservers (jeff.ns.cloudflare.com, rita.ns.cloudflare.com). It was registered on 17 January 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.75.54 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.op-email.eu. 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 121ms

Nameserver	IP addresses	PTR	ASN / ISP
jeff.ns.cloudflare.com	108.162.193.124 172.64.33.124 173.245.59.124 2606:4700:58::adf5:3b7c 2803:f800:50::6ca2:c17c 2a06:98c1:50::ac40:217c	jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rita.ns.cloudflare.com	108.162.192.140 172.64.32.140 173.245.58.140 2606:4700:50::adf5:3a8c 2803:f800:50::6ca2:c08c 2a06:98c1:50::ac40:208c	rita.ns.cloudflare.com rita.ns.cloudflare.com rita.ns.cloudflare.com rita.ns.cloudflare.com rita.ns.cloudflare.com rita.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 126ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.75.54	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.214.210	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 120ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	mail.op-email.eu	34.13.213.173	mail.op-email.eu	AS396982 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.mailhosting.dk → 34.13.213.173
🔶 Autoconfig	mail.mailhosting.dk → 34.13.213.173

🔷 AAAA Records (IPv6)#

2 records 88ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:4b36	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:d6d2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 140ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.75.54,172.67.214.210 ech=AEX+DQBBtAAgACBWD1tDsBTbQglXmyZSdqAd95aQk1ur/CTll9Dy4zOWewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4b36,2606:4700:3034::ac43:d6d2

🔌 SRV Records#

2 records 229ms

Service	Priority	Weight	Port	Target
_imap._tcp	0	1	143	mail2.mailhosting.dk
_imaps._tcp	0	1	993	mail2.mailhosting.dk

📝 TXT Records#

1 records 331ms

TXT Record
v=spf1 mx ra=postmaster -all

✉️ SPF#

Policy	Record (diplomer.dk)
-all (hard fail)	v=spf1 mx ra=postmaster -all

📨 DMARC#

Policy	Record (_dmarc.diplomer.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:postmaster@diplomer.dk; ruf=mailto:postmaster@diplomer.dk

📬 MTA-STS#

294ms

Check	Result
Status	⚠️ Invalid
TXT record (_mta-sts)	✓ Found
HTTPS policy	✗ Missing / invalid
Policy ID	16553487515061117972
Policy MX	—

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:postmaster@diplomer.dk

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 07:08:11

www	104.21.75.54 172.67.214.210 2606:4700:3031::6815:4b36 2606:4700:3034::ac43:d6d2 (AS13335) (address records, no CNAME)
www vs bare domain	Same network diplomer.dk: 104.21.75.54 172.67.214.210 2606:4700:3031::6815:4b36 2606:4700:3034::ac43:d6d2 (AS13335) www.diplomer.dk: 104.21.75.54 172.67.214.210 2606:4700:3031::6815:4b36 2606:4700:3034::ac43:d6d2 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 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#

249ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413097982
Primary NS (MNAME)	jeff.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 07:13:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-01-17
Expires	2027-01-16 (91d)

📋 WHOIS#

⏱️ Lookup Timing#

121ms

126ms

120ms

AAAA

88ms

TXT

331ms

CAA

90ms

HTTPS

140ms

TLSA

177ms

SOA

0ms

MTA-STS

294ms

DNSSEC

249ms

SRV

229ms

Total

1680ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 05:06:23	670ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-01 04:55:16	937ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-10 21:49:48	789ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-25 13:47:55 shown	1680ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-17 23:50:38	1545ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-08 12:42:24	1032ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-24 02:27:17	3568ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-03 06:13:41	2013ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-28 06:13:38	743ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 03:16:04	601ms	2 NS 2 A 1 MX	🔒 Secure