cbbt.dk DNS records

🖥️ Nameservers2 records 87ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.hostworld.dk	217.160.222.205 2a02:247a:256:2c00:1::1	ip217.160.222.205.pbiaas.com ns3.hostworld.dk	AS8560 IONOS SE AS8560 IONOS SE
ns4.hostworld.dk	217.160.220.14 2a02:247a:256:2c00::1	ip217-160-220-14.pbiaas.com hostworld.dk	AS8560 IONOS SE AS8560 IONOS SE

🌍 A Records1 records 78ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.160.220.14	600s	ip217-160-220-14.pbiaas.com	AS8560	IONOS SE	217.160.0.0/16	🇩🇪 Germany	—

📧 MX Records1 records 74ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	cbbt-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::9 2a01:111:f403:ca09::e 2a01:111:f403:ca38::8 52.101.68.21 52.101.68.36 52.101.68.5 52.101.73.6	mail-dbapr03cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du2pr03cu00105.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	217.160.220.14

🔷 AAAA Records (IPv6)1 records 70ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:247a:256:2c00::1	600s	hostworld.dk	AS8560	IONOS SE	2a02:2478:0:0:0:0:0:0/29	🇩🇪 Germany	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 117ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records1 records 326ms

TXT Record
v=spf1 +a +mx +ip4:217.160.220.14 +ip4:139.162.165.153 +include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (cbbt.dk)
-all (hard fail)	v=spf1 +a +mx +ip4:217.160.220.14 +ip4:139.162.165.153 +include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.cbbt.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.cbbt.dk	Q1e6GNdx4gTDf6zU3yCzMl-kwcIXJRy338aumywCw78

🔗 TLSA / DANE

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

🔐 DNSSEC142ms

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	2026070701
Primary NS (MNAME)	ns3.hostworld.dk
Responsible (RNAME)	service@lignum.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

87ms

A

78ms

MX

74ms

AAAA

70ms

TXT

326ms

CAA

76ms

HTTPS

89ms

TLSA

185ms

SOA

0ms

MTA-STS

118ms

DNSSEC

142ms

SRV

117ms

Total

1198ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 00:45:41	1198ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-09 01:47:45	3464ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 15:23:13	1668ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 00:50:21	921ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 07:22:12	1205ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-06-16 19:50:45	685ms	2 NS 1 A 1 MX	🔓 Insecure	View