cenor.dk DNS records

🖥️ Nameservers3 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.rrpproxy.net	193.227.117.226 2a04:2b00:14cc::226	ns1.rrpproxy.net ns1.rrpproxy.net	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.rrpproxy.net	194.50.187.226 2a04:2b00:14dd::226	ns2.rrpproxy.net ns2.rrpproxy.net	AS207021 ipcom GmbH AS207021 ipcom GmbH
ns3.rrpproxy.net	194.0.182.226 2a04:2b00:14ee::226	ns3.rrpproxy.net ns3.rrpproxy.net	AS1921 ipcom GmbH AS1921 ipcom GmbH

🌍 A Records1 records 70ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.67.75.77	3600s	77.0-25.75.67.195.in-addr.arpa	AS3301	Telia Company AB	195.67.0.0/16	🇸🇪 Sweden	Kalmar

📧 MX Records1 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	cenor-dk.mail.protection.outlook.com	52.101.68.36 52.101.73.11 52.101.73.15 52.101.73.30	mail-db5pr02cu00104.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 89ms

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

📝 TXT Records2 records 253ms

TXT Record
MS=ms14821698
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (cenor.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.cenor.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:61af150e9c2e3@ag.dmarcly.com; ruf=mailto:61af150e9c2e3@fo.dmarcly.com; sp=quarantine; fo=0;

📬 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)

🔐 DNSSEC94ms

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	2026042201
Primary NS (MNAME)	ns1.rrpproxy.net
Responsible (RNAME)	support@1access.se
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	28800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

70ms

MX

60ms

AAAA

65ms

TXT

253ms

CAA

40ms

HTTPS

53ms

TLSA

613ms

SOA

0ms

MTA-STS

65ms

DNSSEC

94ms

SRV

89ms

Total

1303ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 06:35:20	1303ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 09:46:33	25053ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 19:01:46	876ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:55:38	21262ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:18:06	2369ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:09:25	564ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:01:31	616ms	3 NS 1 A 1 MX	🔓 Insecure	View