certex.dk DNS records

🖥️ Nameservers4 records 60ms

Nameserver	IP addresses	PTR	ASN / ISP
dns01.dipcon.com	193.14.90.50 2a00:801:fb:253::4	dns01.dipcon.com dns01.dipcon.com	AS1257 Tele2 SWIPnet AS1257 Tele2 SWIPnet
dns02.ports.se	2001:19f0:5001:2a:5400:ff:fe38:1e6f 45.63.42.179	dns02.ports.se dns02.ports.se	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC
dns03.ports.se	2a04:3540:1000:310:287e:f6ff:fe1d:4789 94.237.33.102	dns03.ports.se dns03.ports.se	AS202053 UpCloud Ltd AS202053 UpCloud Ltd
dns04.ports.net	158.255.211.116 2a03:f80:ed15:3ec8::1	dns04.ports.net dns04.ports.net	AS57169 EDIS GmbH AS57169 EDIS GmbH

🌍 A Records1 records 79ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
4.210.202.11	900s	—	AS8075	Microsoft Corporation	4.208.0.0/14	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	certex-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::8 2a01:111:f403:ca09::7 2a01:111:f403:ca3c::a 52.101.103.36 52.101.185.21 52.101.68.21 52.101.68.39	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 143ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records12 records 414ms

TXT Record
_s3bum2tjeo5evgfx0my7a5dutay40aw
5S+bwk7+vouZwhURYqkIRyvD68y+D4/q+hak/JmNR8AC/u/G/KOO2undMfStDIUh2CNjCqh8N4WvCNZ4/ikX4A==
adobe-idp-site-verification=8987bd0310d10bd007f9567cf7cabdf45a1e1a7f2c080a5104810dd4b27bff6d
atlassian-domain-verification=IstU1bCfURsvm/SAEMJGhHC/n6zf2z7BLRuW8eiPxx8dLzmT935pYbLOiJx85ws8
fba4ccb2ffc2441697267969aeeae92b
google-site-verification=BbDkhWp4kIhn6K7s_FK3mFRuU2lzl4MX_xj_LUD6ySU
k81dqvjq3cgby0l8mgdcdnbj058cwlg0
kht8ntyc6f0nvv26gkmww3sz650l90vq
linkedin-site-verification=2e3b4679-bb90-4161-8a25-cfbad7fc26f0
MS=ms76613211
openai-domain-verification=dv-oV3abYfldmMAKWwxxNp6GzaH
v=spf1 include:spf.protection.outlook.com include:25808943.spf06.hubspotemail.net include:spf.EU.exclaimer.net include:servers.mcsv.net include:spf.divante.pl ip4:193.108.6.116 ip4:185.29.113.144 ip4:172.16.1.4 ip4:172.16.1.5 ip4:40.68.243.134 ip4:52.166.118.28 ip4:88.131.97.144 ip4:85.194.245.6 ip4:5.135.219.252 ip4:62.20.6.128 -all

✉️ SPF

Policy	Record (certex.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:25808943.spf06.hubspotemail.net include:spf.EU.exclaimer.net include:servers.mcsv.net include:spf.divante.pl ip4:193.108.6.116 ip4:185.29.113.144 ip4:172.16.1.4 ip4:172.16.1.5 ip4:40.68.243.134 ip4:52.166.118.28 ip4:88.131.97.144 ip4:85.194.245.6 ip4:5.135.219.252 ip4:62.20.6.128 -all

📨 DMARC

Policy	Record (_dmarc.certex.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:xsbuxhid@ag.eu.dmarcadvisor.com;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC164ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090100
Primary NS (MNAME)	dns01.dipcon.com
Responsible (RNAME)	registry@ports.net
Refresh	1800s
Retry	900s
Expire	1814400s
Minimum (neg-cache TTL)	900s

📋 RegistrationWHOIS fetched 2026-07-06 17:33:07

Field	Value
Registrar	Abion AB
Registered	1999-11-16
Expires	2026-12-31 (117d)

📋 WHOIS

⏱️ Lookup Timing

NS

60ms

A

79ms

MX

71ms

AAAA

63ms

TXT

414ms

CAA

74ms

HTTPS

82ms

TLSA

188ms

SOA

0ms

MTA-STS

102ms

DNSSEC

164ms

SRV

143ms

Total

1390ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 13:05:27	1390ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-30 05:34:34	3366ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 21:49:04	1175ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 21:43:01	10231ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 15:03:23	1732ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-25 00:14:27	2043ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-24 00:09:50	2688ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-22 22:08:42	3411ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-21 22:04:58	1694ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 21:38:36	2396ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-18 19:28:51	9381ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-14 14:18:36	17537ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-09 09:07:13	17072ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-08 00:27:02	2427ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-05 05:16:57	2345ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-01 19:35:34	9309ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-28 04:44:45	11118ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 04:35:30	9436ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-26 04:02:11	2100ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 03:50:20	4018ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-24 02:48:37	2185ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-21 07:03:18	1238ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-20 04:26:07	25330ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-19 03:37:35	17405ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-18 02:25:32	4415ms	4 NS 1 A 1 MX	🔓 Insecure	View