cnnbyg.dk DNS records

🖥️ Nameservers2 records 68ms

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 66ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.37	3600s	splash.zitcom.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	cnnbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::10 2a01:111:f403:ca09::a 2a01:111:f403:ca09::b 52.101.103.140 52.101.73.16 52.101.73.26 52.101.73.6	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am6pr04cu00306.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
🔶 Autoconfig	93.191.155.37

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 224ms

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

✉️ SPF

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

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC125ms

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

🏷️ SOA0ms

Field	Value
Serial	2021111801
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

68ms

A

66ms

MX

71ms

AAAA

76ms

TXT

224ms

CAA

44ms

HTTPS

59ms

TLSA

373ms

SOA

0ms

MTA-STS

80ms

DNSSEC

125ms

SRV

84ms

Total

1102ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 06:01:56	1102ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 21:12:14	1334ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 02:18:32	580ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 13:26:19	1192ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 22:26:50	65535ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:38:14	1913ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:30:19	2601ms	2 NS 1 A 1 MX	🔒 Secure	View