comsol.dk

📜 Historical scan 2026-09-22 19:17:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

comsol.dk is a .dk domain served by 5 nameservers (a1-16.akam.net, a12-67.akam.net, a22-65.akam.net and 2 more). It was registered on 12 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 154.43.128.242 is hosted by Cogent Communications, LLC (AS174) in Sweden. Mail is handled by mx1-se.comsol.com, mx-se.comsol.com and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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#

5 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
a1-16.akam.net	193.108.91.16 2600:1401:2::10	a1-16.akam.net ns1-16.akam.net	AS21342 Akamai International B.V. AS21342 Akamai International B.V.
a12-67.akam.net	184.26.160.67 2600:1480:f000::43	a12-67.akam.net a12-67.akam.net	AS21342 Akamai International B.V. AS21342 Akamai International B.V.
a22-65.akam.net	23.211.61.65 2600:1480:7800::41	a22-65.akam.net a22-65.akam.net	AS21342 Akamai International B.V. AS21342 Akamai International B.V.
a6-67.akam.net	23.211.133.67 2600:1401:1::43	a6-67.akam.net a6-67.akam.net	AS21342 Akamai International B.V. AS21342 Akamai International B.V.
a7-67.akam.net	23.61.199.67 2600:1406:32::43	a7-67.akam.net a7-67.akam.net	AS21342 Akamai International B.V. AS21342 Akamai International B.V.

🌍 A Records#

2 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
154.43.128.242	86400s	—	AS174	Cogent Communications, LLC	154.43.128.0/24	🇸🇪 Sweden	Stockholm
176.10.169.228	86400s	www.comsol.com	AS8473	Bahnhof AB	176.10.128.0/17	🇸🇪 Sweden	Svensbyn

📧 MX Records#

3 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1-se.comsol.com	154.43.128.245	mx1-se.comsol.com	AS174 Cogent Communications, LLC
20	3600s	mx-se.comsol.com	176.10.169.229	mx-se.comsol.com	AS8473 Bahnhof AB
30	3600s	mx-us.comsol.com	4.31.158.133	mx-us.comsol.com	AS3356 Level 3 Parent, LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

9 records 238ms

TXT Record
_s8otdfkilz01cocwo8pifatagnlsn5j
globalsign-domain-verification=amW4yoTJAMT8M8kwpYdDT72aECx88rJWSkCJNpeW4Z
google-site-verification=cB5qnSDfiOQMOcncW8CM37xoVjtL4vS_NcwuqkZZkhk
google-site-verification=dGWfjXlbZ1W6s4Kekg5NPhMldASpRXTdiFFjoWdiJTI
google-site-verification=q56RtVPO12BgowLp01KZ7wWuMtWFPRCkzoRa-AGdU_k
google-site-verification=RUuHXH8dkPn36NIEZrlqcd-nViEuSkNLSVSGeYkjEd4
MS=E7EEFCADC44D07CFB3EBE19D6414C4ADFCBFD028
v=spf1 include:mailgun.org ~all
v=spf1 mx ip4:149.72.203.251 include:comsol.com -all

✉️ SPF#

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

Policy	Record (comsol.dk)
~all (soft fail)	v=spf1 include:mailgun.org ~all
-all (hard fail)	v=spf1 mx ip4:149.72.203.251 include:comsol.com -all

📨 DMARC#

Policy	Record (_dmarc.comsol.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@comsol.com; ruf=mailto:dmarc-reports@comsol.com

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

2 records 43ms

Flags	Tag	Value
0	issue	globalsign.com
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 19:10:19

www CNAME	eu-us.comsol.com.akadns.net (all on akadns.net) → 154.43.128.242 176.10.169.228 (AS174 AS8473)
www vs bare domain	Same network comsol.dk: 154.43.128.242 176.10.169.228 (AS174 AS8473) www.comsol.dk: 154.43.128.242 176.10.169.228 (AS174 AS8473)
Wildcard	No
BIMI	v=BIMI1;l=https://cdn.comsol.com/demails/bimi/comsol_inc_1428291561.svg;a=https://cdn.comsol.com/demails/bimi/comsol_inc_1428291561.pem

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

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

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.comsol.dk	acme.comsol.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

113ms

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	2298842395
Primary NS (MNAME)	a1-16.akam.net
Responsible (RNAME)	hostmaster@comsol.de
Refresh	3600s
Retry	600s
Expire	3600000s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-13 16:17:27

Field	Value
Registrar	WEB SOLUTIONS A/S
Registered	1997-02-12
Expires	2027-03-31 (165d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

38ms

39ms

54ms

AAAA

29ms

TXT

238ms

CAA

43ms

HTTPS

34ms

TLSA

299ms

SOA

0ms

MTA-STS

59ms

DNSSEC

113ms

SRV

57ms

Total

1778ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 19:10:19	2415ms	5 NS 2 A 3 MX	🔓 Insecure
2026-10-14 16:57:16	3760ms	5 NS 2 A 3 MX	🔓 Insecure
2026-10-13 16:03:26	5073ms	5 NS 2 A 3 MX	🔓 Insecure
2026-10-08 10:01:40	5841ms	5 NS 2 A 3 MX	🔓 Insecure
2026-09-22 19:17:52 shown	1778ms	5 NS 2 A 3 MX	🔓 Insecure
2026-09-20 07:29:46	2533ms	5 NS 2 A 3 MX	🔓 Insecure
2026-06-19 15:40:11	3485ms	5 NS 2 A 3 MX	🔓 Insecure
2026-06-19 09:02:38	2615ms	5 NS 2 A 3 MX	🔓 Insecure
2026-06-16 23:46:55	65535ms	5 NS 2 A 3 MX	🔓 Insecure
2026-06-16 22:13:26	1162ms	5 NS 2 A 3 MX	🔓 Insecure
2026-06-16 22:05:06	3134ms	5 NS 2 A 3 MX	🔓 Insecure
2026-06-16 22:00:34	2172ms	5 NS 2 A 3 MX	🔓 Insecure