jesma.dk DNS records

🖥️ Nameservers2 records 28ms

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 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.95	3600s	webcluster1.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jesma-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::c 2a01:111:f403:ca09::6 2a01:111:f403:ca09::d 52.101.103.140 52.101.68.29 52.101.73.16 52.101.73.19	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.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
🔶 Autoconfig	46.30.213.72

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 47ms

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

📝 TXT Records1 records 130ms

TXT Record
v=spf1 ip4:195.215.233.78 ip4:20.107.92.211 include:_custspf.one.com include:spf.protection.outlook.com include:smtp.rzone.de -all

✉️ SPF

Policy	Record (jesma.dk)
-all (hard fail)	v=spf1 ip4:195.215.233.78 ip4:20.107.92.211 include:_custspf.one.com include:spf.protection.outlook.com include:smtp.rzone.de -all

📨 DMARC

Policy	Record (_dmarc.jesma.dk)
p=reject	v=DMARC1; p=reject

📬 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)

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082501
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

28ms

A

26ms

MX

26ms

AAAA

30ms

TXT

130ms

CAA

24ms

HTTPS

26ms

TLSA

351ms

SOA

0ms

MTA-STS

45ms

DNSSEC

95ms

SRV

47ms

Total

822ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 17:10:33	822ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 03:12:04	1838ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 22:53:44	2137ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 18:37:44	759ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 04:50:22	1168ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 23:50:32	855ms	2 NS 1 A 1 MX	🔒 Secure	View