joost-consult.dk DNS records

🖥️ Nameservers2 records 44ms

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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.158	3600s	webcluster1.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	joostconsult-dk01c.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::20 2a01:111:f403:ca09::24 2a01:111:f403:ca09::5 52.101.103.140 52.101.73.12 52.101.73.145 52.101.73.8	mail-db4pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.8

🔷 AAAA Records (IPv6)1 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:f2:dc76:7123:57b8	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 551ms

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

📝 TXT Records1 records 179ms

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

✉️ SPF

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

🔐 DNSSEC81ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082201
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

44ms

A

51ms

MX

51ms

AAAA

45ms

TXT

179ms

CAA

54ms

HTTPS

44ms

TLSA

565ms

SOA

0ms

MTA-STS

61ms

DNSSEC

81ms

SRV

551ms

Total

1559ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 13:29:00	1559ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 19:57:01	852ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 23:54:02	2595ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 22:49:13	3585ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-02 07:16:36	3467ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 10:34:45	739ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 08:18:51	1060ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 08:54:09	922ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 17:04:31	1021ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 15:22:54	1105ms	2 NS 1 A 1 MX	🔒 Secure	View