iomail.dk

📜 Historical scan 2026-10-03 21:25:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

iomail.dk is a .dk domain served by 2 nameservers (ganz.ns.cloudflare.com, lana.ns.cloudflare.com). It was registered on 9 October 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.49 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ganz.ns.cloudflare.com	108.162.195.40 162.159.44.40 172.64.35.40 2606:4700:58::a29f:2c28 2803:f800:50::6ca2:c328 2a06:98c1:50::ac40:2328	ganz.ns.cloudflare.com ganz.ns.cloudflare.com ganz.ns.cloudflare.com ganz.ns.cloudflare.com ganz.ns.cloudflare.com ganz.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lana.ns.cloudflare.com	108.162.192.182 172.64.32.182 173.245.58.182 2606:4700:50::adf5:3ab6 2803:f800:50::6ca2:c0b6 2a06:98c1:50::ac40:20b6	lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.37.49	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.203.246	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	60s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	60s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	89.150.149.167
🔶 Autoconfig	89.150.149.167

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:2531	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:cbf6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.37.49,172.67.203.246 ech=AEX+DQBBjgAgACCTZhfhrPby59fHhQMfCHe9ED1Iu1z4w3r+xnYHSjWgUwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2531,2606:4700:3036::ac43:cbf6

📝 TXT Records#

3 records 190ms

TXT Record
google-site-verification=dkcyxH3KOsoa0pHZWT1M7PKEWPCh9s88Hfl-DEyZ1UE
protonmail-verification=b42c739b07ee269f5b87e367f973f9b2b5f96e61
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

Policy	Record (iomail.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

Policy	Record (_dmarc.iomail.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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 2026-10-19 16:30:54

www	104.21.37.49 172.67.203.246 2606:4700:3032::6815:2531 2606:4700:3036::ac43:cbf6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network iomail.dk: 104.21.37.49 172.67.203.246 2606:4700:3032::6815:2531 2606:4700:3036::ac43:cbf6 (AS13335) www.iomail.dk: 104.21.37.49 172.67.203.246 2606:4700:3032::6815:2531 2606:4700:3036::ac43:cbf6 (AS13335)
Wildcard	Yes: any name under the zone resolves
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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 57ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC#

59ms

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

🏷️ SOA#

43ms

Field	Value
Serial	2416523513
Primary NS (MNAME)	ganz.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 03:19:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-10-09
Expires	2027-10-31 (376d)

🔗 Same registrant#

2 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
fkhlink.dk	Punktum dk A/S (direct)
surveysite.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

36ms

34ms

AAAA

37ms

TXT

190ms

CAA

32ms

HTTPS

40ms

TLSA

57ms

SOA

43ms

MTA-STS

43ms

DNSSEC

59ms

SRV

58ms

Total

559ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 16:30:54	1741ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-15 13:09:16	516ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-09 05:29:07	2246ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-03 21:25:49 shown	559ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-30 02:37:08	1862ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-18 04:51:35	1246ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-15 05:39:06	6026ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-11 06:01:46	1980ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-29 02:24:53	1137ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-21 06:22:57	13546ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-18 04:15:56	1724ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-16 15:25:24	6947ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-12 08:35:51	9386ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-04 04:55:57	17297ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-24 18:52:45	1697ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-02 10:17:07	8148ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-22 03:48:15	682ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 15:26:02	4974ms	2 NS 1 A 2 MX	🔒 Secure