rum21.dk DNS records

🖥️ Nameservers2 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
jean.ns.cloudflare.com	108.162.192.121 172.64.32.121 173.245.58.121 2606:4700:50::adf5:3a79 2803:f800:50::6ca2:c079 2a06:98c1:50::ac40:2079	jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jermaine.ns.cloudflare.com	108.162.195.157 162.159.44.157 172.64.35.157 2606:4700:58::a29f:2c9d 2803:f800:50::6ca2:c39d 2a06:98c1:50::ac40:239d	jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.18.30.120	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—
104.18.31.120	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	rum21-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::4 2a01:111:f403:ca04::e 2a01:111:f403:ca09:: 52.101.103.143 52.101.68.32 52.101.73.22 52.101.73.6	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am6pr04cu00306.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)2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700::6812:1e78	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700::6812:1f78	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.18.30.120,104.18.31.120 ipv6hint=2606:4700::6812:1e78,2606:4700::6812:1f78

📝 TXT Records4 records 150ms

TXT Record
google-site-verification=F--T7wM23Q4f9JFmU6T_5AIxcXnlKZoZl7x6OwYNrnc
google-site-verification=GmrW7SW-6jzcJcdWrHUqnk0btksp39Kp0pkpUrB26hg
MS=ms53177886
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:amazonses.com include:spf.dixa.io a:mail.logtrade.info -all

✉️ SPF

Policy	Record (rum21.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:amazonses.com include:spf.dixa.io a:mail.logtrade.info -all

📨 DMARC

Policy	Record (_dmarc.rum21.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarcreports@rum21.dk

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.rum21.dk	F-V0NG3F68a5UxsVs1-ZGvUQ8iiUDnwc-TeQKAw6On8

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC107ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413231666
Primary NS (MNAME)	jean.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-08-24 18:32:32

Field	Value
Registrar	Abion AB
Registered	2010-12-02
Expires	2026-12-31 (117d)

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

34ms

MX

40ms

AAAA

32ms

TXT

150ms

CAA

29ms

HTTPS

34ms

TLSA

172ms

SOA

0ms

MTA-STS

48ms

DNSSEC

107ms

SRV

57ms

Total

797ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 04:55:51	797ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 04:52:07	1104ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 19:08:40	1526ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-24 18:32:19	886ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-23 17:59:22	4788ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 14:17:14	12221ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-07 14:03:00	2125ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-03 06:42:58	1450ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 06:24:53	3775ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 12:31:23	946ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 16:07:31	3217ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 08:14:22	4028ms	2 NS 2 A 1 MX	🔓 Insecure	View