ismessen.dk

📜 Historical scan 2026-06-20 04:00:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ismessen.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was registered on 8 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.12.204 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.ismessen.dk, mx1.onlinemail.io 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 47ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.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 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.12.204	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.153.65	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mail.ismessen.dk	—	—	—
10	300s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	300s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

2 records 59ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:ccc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3030::ac43:9941	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 56ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.12.204,172.67.153.65 ech=AEX+DQBBEAAgACAMNs+N3CZyuNdAw68DeDISZizAtXC/G+vpfIRHCw46HQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:ccc,2606:4700:3030::ac43:9941

📝 TXT Records#

2 records 373ms

TXT Record
v=spf1 a include:spf.curanet.dk ~all
v=spf1 a mx ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (ismessen.dk)
~all (soft fail)	v=spf1 a include:spf.curanet.dk ~all
~all (soft fail)	v=spf1 a mx ~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 2026-10-21 02:34:41

www	104.21.12.204 172.67.153.65 2606:4700:3037::6815:ccc 2606:4700:3037::ac43:9941 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ismessen.dk: 104.21.12.204 172.67.153.65 2606:4700:3037::6815:ccc 2606:4700:3037::ac43:9941 (AS13335) www.ismessen.dk: 104.21.12.204 172.67.153.65 2606:4700:3037::6815:ccc 2606:4700:3037::ac43:9941 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ismessen.dk	imwwDbMgi0_9TwS1-C4F2a-p18t2LlPJyADORWZpi0c
TXT	_acme-challenge.ismessen.dk	wYt-cVgQasUr-1Alae-PMkJIqH7grhLCyk5643OTUYI

🔗 TLSA / DANE#

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

🔐 DNSSEC#

163ms

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

🏷️ SOA#

58ms

Field	Value
Serial	2407250000
Primary NS (MNAME)	barbara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 08:43:01

Field	Value
Registrar	Simply.com A/S
Registered	2025-09-08
Expires	2027-09-07 (320d)

🔗 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
is-messe.dk	Simply.com A/S
ismesse.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

47ms

57ms

58ms

AAAA

59ms

TXT

373ms

CAA

75ms

HTTPS

56ms

TLSA

2093ms

SOA

58ms

MTA-STS

143ms

DNSSEC

163ms

SRV

96ms

Total

2952ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 02:34:41	487ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-17 08:06:07	1948ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-09 09:59:31	548ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-27 16:20:18	597ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-23 23:33:29	720ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-21 21:04:45	9255ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-18 20:15:10	1133ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-25 22:58:31	9883ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-24 18:57:17	5696ms	2 NS 2 A 3 MX	❓ Unknown
2026-06-23 16:49:19	1007ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 13:16:00	826ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-20 04:00:26 shown	2952ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-19 15:04:40	701ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-19 09:37:11	1001ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-17 13:28:48	3293ms	2 NS 2 A 3 MX	🔓 Insecure