hsc-holstebro.dk DNS records

🖥️ Nameservers2 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	108.162.193.110 172.64.33.110 173.245.59.110 2606:4700:58::adf5:3b6e 2803:f800:50::6ca2:c16e 2a06:98c1:50::ac40:216e	duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kiki.ns.cloudflare.com	108.162.192.180 172.64.32.180 173.245.58.180 2606:4700:50::adf5:3ab4 2803:f800:50::6ca2:c0b4 2a06:98c1:50::ac40:20b4	kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.19.129	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.186.47	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	hscholstebro-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::b 2a01:111:f403:ca09::4 2a01:111:f403:ca09::6 52.101.68.0 52.101.68.18 52.101.73.153 52.101.73.8	mail-db7pr03cu00401.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr04cu00500.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 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:1381	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:ba2f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.19.129,172.67.186.47 ech=AEX+DQBBogAgACAZnLOymd4N2fxNCdDkFf6hVUItoZaZ1x0qfc6ybTLXRgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1381,2606:4700:3037::ac43:ba2f

📝 TXT Records1 records 212ms

TXT Record
v=spf1 ip4:84.19.174.8 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (hsc-holstebro.dk)
-all (hard fail)	v=spf1 ip4:84.19.174.8 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.hsc-holstebro.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@zakobo.dk; ruf=mailto:dmarc@zakobo.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

🔗 TLSA / DANE

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

🔐 DNSSEC90ms

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	2412627598
Primary NS (MNAME)	duke.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

45ms

A

43ms

MX

58ms

AAAA

51ms

TXT

212ms

CAA

46ms

HTTPS

49ms

TLSA

185ms

SOA

0ms

MTA-STS

83ms

DNSSEC

90ms

SRV

71ms

Total

1588ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 22:08:42	1588ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-18 18:22:06	3377ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-01 12:44:16	1157ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 15:24:52	985ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 21:23:05	1255ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-19 22:12:01	6136ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-19 10:23:20	6169ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 15:04:13	296ms	0 NS 0 A 0 MX	❓ Unknown	View