cbg.dk DNS records

🖥️ Nameservers2 records 73ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 8063ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
128.140.28.110	592s	static.110.28.140.128.clients.your-server.de	AS24940	Hetzner Online GmbH	128.140.0.0/17	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 8064ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3592s	cbg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09:: 2a01:111:f403:ca09::20 2a01:111:f403:ca09::d 52.101.68.27 52.101.68.5 52.101.73.153 52.101.73.6	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 8055ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 8319ms

TXT Record
apple-domain-verification=gVpCOBTupF1PDUIq
facebook-domain-verification=1cuejxwonp1qijw4xbgnrzke3af18c
v=spf1 +a +mx +ip4:136.243.153.227 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (cbg.dk)
-all (hard fail)	v=spf1 +a +mx +ip4:136.243.153.227 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.cbg.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@cbg.dk

📬 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)

🔐 DNSSEC8082ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

73ms

A

8063ms

MX

8064ms

AAAA

74ms

TXT

8319ms

CAA

72ms

HTTPS

8070ms

TLSA

8066ms

SOA

0ms

MTA-STS

91ms

DNSSEC

8082ms

SRV

8055ms

Total

17305ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-11 04:14:33	17305ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 16:08:53	1155ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 07:06:59	5759ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 12:37:00	2364ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 06:29:33	922ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 11:50:23	1093ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 06:57:23	3232ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 19:50:08	874ms	2 NS 1 A 1 MX	🔒 Secure	View