jernbro.dk DNS records

🖥️ Nameservers4 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
dns10.telia.com	2001:2040:c001:301::4 81.228.9.98	dns10.telia.com dns10.telia.com	AS3301 Telia Company AB AS3301 Telia Company AB
dns11.se.telia.net	2001:2040:c001:304::4 81.228.9.131	dns11.se.telia.net dns11.se.telia.net	AS3301 Telia Company AB AS3301 Telia Company AB
dns12.se.telia.net	2001:2040:c001:401::5 81.228.10.69	dns12.se.telia.net dns12.se.telia.net	AS3301 Telia Company AB AS3301 Telia Company AB
dns9.telia.com	2001:2040:c001:104::5 81.228.11.184	dns9.telia.com dns9.telia.com	AS3301 Telia Company AB AS3301 Telia Company AB

🌍 A Records

🌍

No A records found

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jernbro-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca09::20 2a01:111:f403:ca09::26 52.101.68.16 52.101.68.27 52.101.73.126 52.101.73.16	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 327ms

TXT Record
MS=ms61918014
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.jernbro.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@14kt1cdr.uriports.com; ruf=mailto:dmarc@14kt1cdr.uriports.com; fo=1

📬 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)

🔐 DNSSEC117ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	1787788800
Primary NS (MNAME)	dns9.telia.com
Responsible (RNAME)	backbone@telia.net
Refresh	21600s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

37ms

A

40ms

MX

35ms

AAAA

48ms

TXT

327ms

CAA

39ms

HTTPS

35ms

TLSA

634ms

SOA

0ms

MTA-STS

119ms

DNSSEC

117ms

SRV

139ms

Total

1359ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:15:26	1359ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-08-20 17:58:17	2258ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-08-14 04:32:36	3174ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-08-08 07:50:13	1722ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-08-01 18:18:06	1417ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-07-23 11:27:52	1299ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-07-17 00:50:03	1519ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-07-09 04:13:20	3921ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-07-03 10:30:48	6627ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-28 16:10:02	2673ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-26 23:17:50	996ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-24 01:45:22	1786ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-22 20:15:48	908ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 12:31:59	1377ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-18 18:25:30	4158ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-17 13:10:29	4102ms	4 NS 0 A 1 MX	🔓 Insecure	View