rantek.dk DNS records

🖥️ Nameservers4 records 70ms

Nameserver	IP addresses	PTR	ASN / ISP
dns01.dipcon.com	193.14.90.50 2a00:801:fb:253::4	dns01.dipcon.com dns01.dipcon.com	AS1257 Tele2 SWIPnet AS1257 Tele2 SWIPnet
dns02.ports.se	2001:19f0:5001:2a:5400:ff:fe38:1e6f 45.63.42.179	dns02.ports.se dns02.ports.se	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC
dns03.ports.se	2a04:3540:1000:310:287e:f6ff:fe1d:4789 94.237.33.102	dns03.ports.se dns03.ports.se	AS202053 UpCloud Ltd AS202053 UpCloud Ltd
dns04.ports.net	158.255.211.116 2a03:f80:ed15:3ec8::1	dns04.ports.net dns04.ports.net	AS57169 EDIS GmbH AS57169 EDIS GmbH

🌍 A Records1 records 70ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.19.64.87	3600s	—	AS59767	Netnordic Group AS	185.19.64.0/22	🇳🇴 Norway	—

📧 MX Records2 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	netnordic.in.tmes.trendmicro.eu	18.185.115.145 18.185.115.146 18.185.115.147	in.tmes.trendmicro.eu in.tmes.trendmicro.eu in.tmes.trendmicro.eu	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
10	3600s	rantek-dk.mail.protection.outlook.com	52.101.209.153 52.101.68.36 52.101.73.28 52.101.73.30	mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com	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 Records1 records 398ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.rantek.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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)

🔐 DNSSEC9088ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081500
Primary NS (MNAME)	dns01.dipcon.com
Responsible (RNAME)	registry@ports.net
Refresh	14400s
Retry	3600s
Expire	1814400s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

70ms

A

70ms

MX

44ms

AAAA

48ms

TXT

398ms

CAA

42ms

HTTPS

59ms

TLSA

364ms

SOA

0ms

MTA-STS

179ms

DNSSEC

9088ms

SRV

168ms

Total

9995ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 11:19:33	9995ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-27 11:45:12	1542ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-16 23:18:39	5328ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-14 18:49:40	1600ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-12 06:32:14	1909ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-07-16 21:51:45	2151ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-07-13 22:13:37	1584ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-07-02 13:48:30	10022ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 22:40:27	1383ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-22 03:21:53	951ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 02:11:19	2767ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-19 23:44:47	883ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 05:16:56	2939ms	4 NS 1 A 2 MX	🔒 Secure	View