ismessen.dk

Records from scan: 2026-10-17 08:06:07  ·  1948ms total  ·  last checked 2026-10-18 09:25 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   143ms
NameserverIP addressesPTRASN / 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   108ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   115ms
PriorityTTLMail ServerIP addressesPTRASN
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#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

2 records   124ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3037::6815:ccc 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:9941 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   106ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.12.204,172.67.153.65 ech=AEX+DQBBpgAgACCjMVq4anIMQaP2EUwLbhZHwDwgTBFVJxkAlZezgfZ9awAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:ccc,2606:4700:3037::ac43:9941

📝 TXT Records#

2 records   270ms
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)
PolicyRecord (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#

checked 2026-10-17 08:06:07
www104.21.12.204 172.67.153.65 2606:4700:3037::6815:ccc 2606:4700:3037::ac43:9941 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 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#

TypeNameValue
TXT _acme-challenge.ismessen.dk UYuScQbS3gTRWKlaZrdDwDJQHt7sjTBBhUOZALxRzWs
TXT _acme-challenge.ismessen.dk ms9W77skqVIW-A634j42Lti0PqFh2JxO3Htj9lOojKs

🔗 TLSA / DANE#

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

🔐 DNSSEC#

198ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

56ms
FieldValue
Serial2417632665
Primary NS (MNAME)barbara.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 08:43:01
FieldValue
RegistrarSimply.com A/S
Registered2025-09-08
Expires2027-09-07 (323d)

🔗 Same registrant#

1 domain

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).

DomainRegistrar
ismesse.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
143ms
A
108ms
MX
115ms
AAAA
124ms
TXT
270ms
CAA
97ms
HTTPS
106ms
TLSA
214ms
SOA
56ms
MTA-STS
136ms
DNSSEC
198ms
SRV
389ms
Total
1948ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 08:06:07 shown 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 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone