jez.dk DNS records

🖥️ Nameservers2 records 39ms

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 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records2 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	eu-esec-01.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
10	3600s	eu-esec-02.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 207ms

TXT Record
1oEO8NyeET/eUkiIUlzLow3C+3gNCwegAH9w2+6c1/azP/D0pvqBckN9OhcmC1J+ZE8Mafss0qujwTml6SkSIQ==
v=spf1 include:spf.protection.outlook.com include:spf-esec.heimdalsecurity.com -all

✉️ SPF

Policy	Record (jez.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf-esec.heimdalsecurity.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 / DANE2 records 124ms

Service / Owner	Type	Cert association
SMTP _25._tcp.eu-esec-01.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…
SMTP _25._tcp.eu-esec-02.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…

🔐 DNSSEC79ms

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

39ms

A

53ms

MX

53ms

AAAA

62ms

TXT

207ms

CAA

48ms

HTTPS

55ms

TLSA

124ms

SOA

0ms

MTA-STS

48ms

DNSSEC

79ms

SRV

73ms

Total

868ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 01:05:54	868ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-17 01:30:10	850ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-14 11:55:02	1011ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 19:48:33	2375ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 02:56:52	2807ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 02:53:38	913ms	2 NS 1 A 2 MX	🔒 Secure	View