skymaster.dk DNS records

🖥️ Nameservers2 records 143ms

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 108ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.115	3600s	webcluster2.webpod13-cph3.one.com	AS51468	—	—	—	—

📧 MX Records1 records 103ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	skymaster-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::4 2a01:111:f403:ca09::4 2a01:111:f403:ca09::d 52.101.68.12 52.101.68.25 52.101.68.27 52.101.73.22	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am7pr05cu00106.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)1 records 103ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:809a:2240:aec:f211	3600s	—	AS51468	—	—	—	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 365ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 262ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (skymaster.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

📨 DMARC

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

🔐 DNSSEC156ms

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

🏷️ SOA0ms

Field	Value
Serial	2026061701
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

143ms

A

108ms

MX

103ms

AAAA

103ms

TXT

262ms

CAA

109ms

HTTPS

127ms

TLSA

216ms

SOA

0ms

MTA-STS

116ms

DNSSEC

156ms

SRV

365ms

Total

1256ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-21 14:49:54	7683ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 12:59:51	3813ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 03:08:58	17267ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 14:45:59	7108ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 08:34:49	1556ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 01:06:00	2026ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 16:11:35	1013ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 11:11:03	1996ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 01:08:34	946ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 08:42:15	1256ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 20:09:41	904ms	2 NS 1 A 1 MX	🔒 Secure	View