ung.dk DNS records

🖥️ Nameservers2 records 110ms

Nameserver	IP addresses	PTR	ASN / ISP
hank.ns.cloudflare.com	108.162.193.116 172.64.33.116 173.245.59.116 2606:4700:58::adf5:3b74 2803:f800:50::6ca2:c174 2a06:98c1:50::ac40:2174	hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
olga.ns.cloudflare.com	108.162.192.137 172.64.32.137 173.245.58.137 2606:4700:50::adf5:3a89 2803:f800:50::6ca2:c089 2a06:98c1:50::ac40:2089	olga.ns.cloudflare.com olga.ns.cloudflare.com olga.ns.cloudflare.com olga.ns.cloudflare.com olga.ns.cloudflare.com olga.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 98ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.233.252.244	300s	jobbank.dk	AS31027	GlobalConnect A/S	77.233.224.0/19	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 122ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	ung-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::8 2a01:111:f403:ca04::9 2a01:111:f403:ca04::c 52.101.68.10 52.101.68.5 52.101.68.8 52.101.73.30	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr05cu00306.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	ung.dk → 77.233.252.244
🔶 Autoconfig	ung.dk → 77.233.252.244

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 381ms

TXT Record
v=spf1 ip4:77.233.252.243 ip4:77.233.252.244 ip4:77.233.252.245 ip4:77.233.252.248 ip4:83.89.199.62 ip4:62.243.73.0/24 ip4:77.32.175.81 ip4:212.27.13.241 include:spf.protection.outlook.com include:spf.webcrm.com include:spf.sendinblue.com mx -all

✉️ SPF

Policy	Record (ung.dk)
-all (hard fail)	v=spf1 ip4:77.233.252.243 ip4:77.233.252.244 ip4:77.233.252.245 ip4:77.233.252.248 ip4:83.89.199.62 ip4:62.243.73.0/24 ip4:77.32.175.81 ip4:212.27.13.241 include:spf.protection.outlook.com include:spf.webcrm.com include:spf.sendinblue.com mx -all

📨 DMARC

Policy	Record (_dmarc.ung.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:e5741e8b79b14da3982ea51964199cbd@dmarc-reports.cloudflare.net

📬 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
CNAME	_acme-challenge.ung.dk	ung.dk

🔗 TLSA / DANE

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

🔐 DNSSEC192ms

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	2412738092
Primary NS (MNAME)	hank.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

110ms

A

98ms

MX

122ms

AAAA

117ms

TXT

381ms

CAA

84ms

HTTPS

124ms

TLSA

383ms

SOA

0ms

MTA-STS

102ms

DNSSEC

192ms

SRV

947ms

Total

3473ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-21 00:25:26	3473ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-08 14:44:14	2317ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-30 03:46:53	1302ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 12:16:08	957ms	2 NS 1 A 1 MX	🔓 Insecure	View