crossbridge.dk DNS records

🖥️ Nameservers2 records 40ms

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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.178.15.251	3600s	web-two.opening.dk	AS48854	team.blue Denmark A/S	195.178.14.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	crossbridge-dk.mail.protection.outlook.com	2a01:111:f403:c92c::1 2a01:111:f403:f804::3 2a01:111:f403:f905::3 2a01:111:f403:f909::b 52.101.10.10 52.101.60.160 52.101.60.65 52.101.9.14	mail-dm6pr03cu00401.inbound.protection.outlook.com mail-co1pr03cu00403.inbound.protection.outlook.com mail-dm5pr02cu00203.inbound.protection.outlook.com mail-bnypr03cu00203.inbound.protection.outlook.com mail-bn8pr05cu00102.inbound.protection.outlook.com mail-bn0pr04cu00800.inbound.protection.outlook.com mail-bn3pr02cu00101.inbound.protection.outlook.com mail-bl0pr03cu00206.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 → 52.98.241.184

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records7 records 152ms

TXT Record
3s98iok8emn3193n4q628lpr02
apple-domain-verification=MlOON297VrT2sUbB
ca3-51aa086bfad84a2c8006537b619d1de9
ms-domain-verification=7d3c7858-ddb9-4489-b57e-7eb7dc615e77
MS=ms19423161
sf0ttm6m3m708dl5lmi5h73o6g
v=spf1 include:spf.protection.outlook.com include:_spf.semaphor.dk ip4:40.68.251.203 include:sendgrid.net -all

✉️ SPF

Policy	Record (crossbridge.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.semaphor.dk ip4:40.68.251.203 include:sendgrid.net -all

📨 DMARC

Policy	Record (_dmarc.crossbridge.dk)
p=quarantine	v=DMARC1;p=quarantine;sp=reject;pct=100;adkim=r;aspf=r;rua=mailto:it@crossbridge.dk;ruf=mailto:it@crossbridge.dk;ri=86400;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)

🔐 DNSSEC89ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082101
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

40ms

A

42ms

MX

40ms

AAAA

60ms

TXT

152ms

CAA

45ms

HTTPS

55ms

TLSA

622ms

SOA

0ms

MTA-STS

59ms

DNSSEC

89ms

SRV

71ms

Total

1231ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 09:11:11	1231ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 05:41:58	7698ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 11:57:04	1291ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 07:56:02	1266ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 03:46:49	2194ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 07:04:41	1216ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 11:57:28	1814ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-21 09:14:00	1066ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 00:04:22	43980ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 23:12:44	522ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:09:43	2057ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:00:21	852ms	2 NS 1 A 1 MX	🔒 Secure	View