skaerlundregnskab.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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.88	3600s	webcluster1.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	skaerlundregnskab-dk.mail.protection.outlook.com	2a01:111:f403:ca09::1 2a01:111:f403:ca09::2 2a01:111:f403:ca09::4 2a01:111:f403:ca09::a 52.101.68.18 52.101.68.29 52.101.68.3 52.101.68.39	mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db7pr03cu00607.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	46.30.215.88

🔷 AAAA Records (IPv6)1 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:c2:547a:ea07:1f4	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 248ms

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

📝 TXT Records2 records 367ms

TXT Record
MS=ms32814636
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC105ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080304
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

48ms

MX

43ms

AAAA

56ms

TXT

367ms

CAA

60ms

HTTPS

72ms

TLSA

1030ms

SOA

0ms

MTA-STS

90ms

DNSSEC

105ms

SRV

248ms

Total

1809ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 23:22:59	1809ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 13:50:05	1232ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 05:00:56	20461ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-05 09:44:14	1537ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 02:43:32	5758ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 05:38:12	736ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 03:29:35	1258ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 06:38:35	1108ms	2 NS 1 A 1 MX	🔒 Secure	View