crossingborders.dk DNS records

🖥️ Nameservers2 records 47ms

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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.249	3600s	webcluster2.wordpresspod1-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records6 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	crossingborders-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::e 2a01:111:f403:ca09::4 2a01:111:f403:ca09::e 52.101.68.10 52.101.68.15 52.101.73.12 52.101.73.6	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am4pr0401cu00104.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
1	3600s	aspmx.l.google.com	2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1a 64.233.163.26	lj-in-f26.1e100.net lj-in-x1a.1e100.net lj-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	77.111.240.249

🔷 AAAA Records (IPv6)1 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:101:80c9:b394:41a3:4110	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 208ms

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

📝 TXT Records2 records 205ms

TXT Record
MS=ms79594721
v=spf1 include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (crossingborders.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com ~all

📨 DMARC

Policy	Record (_dmarc.crossingborders.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

🔗 TLSA / DANE

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

🔐 DNSSEC76ms

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

🏷️ SOA50ms

Field	Value
Serial	2026072903
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

47ms

A

46ms

MX

51ms

AAAA

45ms

TXT

205ms

CAA

55ms

HTTPS

52ms

TLSA

403ms

SOA

50ms

MTA-STS

135ms

DNSSEC

76ms

SRV

208ms

Total

6086ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-15 08:52:19	6086ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-08-07 06:23:36	4395ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-08-06 04:31:15	1018ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-30 11:32:47	1879ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-06-27 10:39:58	2319ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-06-22 00:31:33	1207ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-06-19 06:37:41	1765ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-06-18 10:48:44	4538ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-06-16 23:36:36	65535ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-06-16 23:08:49	2898ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-06-16 23:03:48	884ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-06-16 23:01:24	835ms	2 NS 1 A 6 MX	🔒 Secure	View