arjtech.dk DNS records

🖥️ Nameservers2 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.90.193	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.160.56	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	arjtech-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::6 2a01:111:f403:ca09::7 2a01:111:f403:ca09::f 52.101.209.153 52.101.68.25 52.101.68.29 52.101.68.5	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du2pr03cu00105.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 → 40.104.116.56

🔷 AAAA Records (IPv6)2 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:5ac1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:a038	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.90.193,172.67.160.56 ech=AEX+DQBBmQAgACDlBUBGVeNzIsTX6UfR2ooLMBE8WuKqGfJJenVUR7IqJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:5ac1,2606:4700:3034::ac43:a038

📝 TXT Records1 records 132ms

TXT Record
v=spf1 ip4:87.56.57.154 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (arjtech.dk)
-all (hard fail)	v=spf1 ip4:87.56.57.154 include:spf.protection.outlook.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 / DANE

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

🔐 DNSSEC105ms

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	2413488945
Primary NS (MNAME)	barbara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

25ms

A

36ms

MX

32ms

AAAA

31ms

TXT

132ms

CAA

26ms

HTTPS

32ms

TLSA

356ms

SOA

0ms

MTA-STS

44ms

DNSSEC

105ms

SRV

48ms

Total

892ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 03:37:29	892ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-28 05:08:08	1252ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-28 00:43:55	1339ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 00:25:30	1083ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 17:31:25	1169ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-28 05:22:08	1164ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 02:06:41	1297ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 22:44:21	2286ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 12:07:08	925ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 20:36:28	1278ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 13:39:09	2740ms	2 NS 2 A 1 MX	🔓 Insecure	View