kjaersupport.dk DNS records

🖥️ Nameservers2 records 46ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
63.34.241.49	600s	ec2-63-34-241-49.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	63.32.0.0/14	🇮🇪 Ireland	Dublin

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kjaersupport-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::9 2a01:111:f403:ca09::9 2a01:111:f403:ca21::8 52.101.185.24 52.101.209.28 52.101.68.5 52.101.73.126	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am8pr83cu00106.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 64ms

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

📝 TXT Records2 records 155ms

TXT Record
MS=ms13123577
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.kjaersupport.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:postmaster@kjaersupport.dk; ruf=mailto:postmaster@kjaersupport.dk; fo=0

📬 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)

🔐 DNSSEC62ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032401
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

46ms

A

41ms

MX

44ms

AAAA

39ms

TXT

155ms

CAA

42ms

HTTPS

49ms

TLSA

182ms

SOA

0ms

MTA-STS

66ms

DNSSEC

62ms

SRV

64ms

Total

700ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 14:59:19	700ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-09-02 11:03:53	899ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 05:11:35	1250ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 20:59:38	1817ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 20:27:01	48424ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-29 05:56:57	5488ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 03:34:29	1273ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 19:07:02	1695ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 14:17:25	1758ms	2 NS 1 A 1 MX	🔒 Secure	View