cpt.dk DNS records

🖥️ Nameservers2 records 56ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.124.22	3600s	cptweb2019.dlx.hosting	AS47527	DLX A/S	46.30.120.0/21	🇩🇰 Denmark	Herning

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cpt-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::5 2a01:111:f403:ca09::5 2a01:111:f403:ca09::e 52.101.68.21 52.101.73.11 52.101.73.24 52.101.73.26	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 52.98.149.136
🔶 Autoconfig	46.30.124.22

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 130ms

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

📝 TXT Records4 records 259ms

TXT Record
MS=ms31928910
v=spf1 ip4:81.95.247.13 ip4:87.104.183.141 ip4:82.197.83.77 ip4:185.45.49.110 ip4:167.89.5.8 ip4:81.95.247.14 ip4:81.95.247.13 ip4:81.95.247.14 ip4:81.95.247.13 include:_spf.ondonator.se include:o._spf.comendo.com include:spf.mandrillapp.com include:smtp.dlxhosting.dk include:spf.protection.outlook.com include:one.zoho.eu include:eu.zcsend.net include:user.zohobookings.eu -all
z877vhpj6nvn3q0m2hxsw50q9fmg8tv5
zoho-verification=zb60790910.zmverify.zoho.eu

✉️ SPF

Policy	Record (cpt.dk)
-all (hard fail)	v=spf1 ip4:81.95.247.13 ip4:87.104.183.141 ip4:82.197.83.77 ip4:185.45.49.110 ip4:167.89.5.8 ip4:81.95.247.14 ip4:81.95.247.13 ip4:81.95.247.14 ip4:81.95.247.13 include:_spf.ondonator.se include:o._spf.comendo.com include:spf.mandrillapp.com include:smtp.dlxhosting.dk include:spf.protection.outlook.com include:one.zoho.eu include:eu.zcsend.net include:user.zohobookings.eu -all

📨 DMARC

Policy	Record (_dmarc.cpt.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@cpt.dk; ruf=mailto:dmarc@cpt.dk; fo=1

📬 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)

🔐 DNSSEC280ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026072001
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

56ms

A

42ms

MX

46ms

AAAA

53ms

TXT

259ms

CAA

54ms

HTTPS

43ms

TLSA

121ms

SOA

0ms

MTA-STS

84ms

DNSSEC

280ms

SRV

130ms

Total

1215ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-21 04:14:25	1215ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 00:17:20	886ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:45:28	996ms	2 NS 1 A 1 MX	🔒 Secure	View