ledernespring.dk DNS records

🖥️ Nameservers2 records 39ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.44.137.92	600s	netcompany.com	AS3292	TDC Holding A/S	5.44.136.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ledernespring-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::2 2a01:111:f403:ca09::20 2a01:111:f403:ca48::a 52.101.68.18 52.101.73.11 52.101.73.153 52.101.73.2	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.56
🔶 Autoconfig	46.30.213.140

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 191ms

TXT Record
_ztb1jy74dlfqoxq3ttgxlk5u2mayodj
MS=ms88423689
v=spf1 include:spf.protection.outlook.com include:mailgun.org include:spf.emailsignatures365.com -all

✉️ SPF

Policy	Record (ledernespring.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:mailgun.org include:spf.emailsignatures365.com -all

📨 DMARC

Policy	Record (_dmarc.ledernespring.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email

📬 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)

🔐 DNSSEC104ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082502
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

39ms

A

38ms

MX

37ms

AAAA

44ms

TXT

191ms

CAA

65ms

HTTPS

41ms

TLSA

596ms

SOA

0ms

MTA-STS

52ms

DNSSEC

104ms

SRV

78ms

Total

1263ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 06:44:14	1263ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 01:32:51	2054ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 03:43:46	786ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 06:42:00	9287ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 03:04:41	1214ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 04:15:48	2652ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 17:36:55	2906ms	2 NS 1 A 1 MX	🔒 Secure	View