kastberg-as.dk DNS records

🖥️ Nameservers2 records 42ms

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 88ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.51	3600s	webcluster2.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	kastbergas-dk02b.r-v1.mx.microsoft	2a01:111:f403:ca04::f 2a01:111:f403:ca09::6 2a01:111:f403:ca09::8 2a01:111:f403:ca09::f 52.101.68.3 52.101.73.153 52.101.73.24 52.101.73.26	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.24

🔷 AAAA Records (IPv6)1 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:809b:b3ac:af8a:8ec3	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 106ms

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

📝 TXT Records1 records 244ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.kastberg-as.dk)
p=quarantine	v=DMARC1; p=quarantine; 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 / DANE10 records 80ms

Service / Owner	Type	Cert association
SMTP _25._tcp.kastbergas-dk02b.r-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.kastbergas-dk02b.r-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…
SMTP _25._tcp.kastbergas-dk02b.r-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.kastbergas-dk02b.r-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.kastbergas-dk02b.r-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.kastbergas-dk02b.r-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.kastbergas-dk02b.r-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.kastbergas-dk02b.r-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.kastbergas-dk02b.r-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.kastbergas-dk02b.r-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…

🔐 DNSSEC130ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081601
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

42ms

A

88ms

MX

85ms

AAAA

43ms

TXT

244ms

CAA

79ms

HTTPS

55ms

TLSA

80ms

SOA

0ms

MTA-STS

97ms

DNSSEC

130ms

SRV

106ms

Total

1247ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-18 01:49:32	1247ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 07:57:43	6732ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 16:47:42	1332ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 21:42:25	826ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 01:12:08	888ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 07:42:12	667ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:02:36	895ms	2 NS 1 A 1 MX	🔒 Secure	View