comasys.dk DNS records

🖥️ Nameservers3 records 109ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dns.services	195.242.131.6 2001:67c:564:ffff::11	ns1.dns.services ns1.dns.services	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.dns.services	2a00:1b18:2:3:3::2 62.69.152.37	ns2.dns.services ns2.dns.services	AS47527 DLX A/S AS47527 DLX A/S
ns3.dns.services	185.55.197.53	ns3.dns.services	AS60153 Inpadi ApS

🌍 A Records1 records 167ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.221.124.125	3600s	—	AS51377	CoMaSys ApS	193.221.124.0/24	🇩🇰 Denmark	—

📧 MX Records2 records 120ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.127 89.233.19.188 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk 127.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 188.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
10	3600s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.128 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk 128.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.98.16.43
🔶 Autoconfig	193.221.124.2

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 1652ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records5 records 441ms

TXT Record
_72cq2j6lpin2nmvf8og0sampx0k5rji
google-site-verification=L4OB_G6jdFJubA8hfduHC1oS_Jo-LRxxeoCl0SVxeOc
google-site-verification=rVQaFu-y4HFfz4zlOTTsCqoCIXgUMSeZvYRyduGfDPc
MS=ms91891645
v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk include:_spf.comasys.dk include:spf.emailsignatures365.com include:spf.itnapps.eu -all

✉️ SPF

Policy	Record (comasys.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk include:_spf.comasys.dk include:spf.emailsignatures365.com include:spf.itnapps.eu -all

📨 DMARC

Policy	Record (_dmarc.comasys.dk)
p=reject	v=DMARC1; p=reject; adkim=r; aspf=r; pct=100; fo=1; rua=mailto:rua@rua.dmarcmonitor.dk; ruf=mailto:ruf@rua.dmarcmonitor.dk

📬 MTA-STS430ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	2026082101
max_age	86400s
Policy MX	mx2-dk.centerasecurity.dk, mx1-dk.centerasecurity.dk

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:info@comasys.dk,https://comasys.dk

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.comasys.dk	By58ae7ialQ1x3FLI3c53rV6geGKrthhgZ2lG1XTyqQ

🔗 TLSA / DANE4 records 219ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…

🔐 DNSSEC313ms

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

🏷️ SOA95ms

Field	Value
Serial	2026082103
Primary NS (MNAME)	ns1.dns.services
Responsible (RNAME)	post@dns.services
Refresh	10800s
Retry	3600s
Expire	1814400s
Minimum (neg-cache TTL)	7200s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

109ms

A

167ms

MX

120ms

AAAA

168ms

TXT

441ms

CAA

165ms

HTTPS

157ms

TLSA

219ms

SOA

95ms

MTA-STS

430ms

DNSSEC

313ms

SRV

1652ms

Total

19590ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 12:37:12	19590ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-08-22 08:58:18	7620ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-07-23 13:44:54	990ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-28 05:50:59	791ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-26 04:04:23	877ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-23 07:35:48	1020ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 14:13:49	2727ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-16 21:51:10	822ms	3 NS 1 A 2 MX	🔓 Insecure	View