d-u.dk DNS records

🖥️ Nameservers3 records 99ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.hostonline.dk	—	—	—
ns5.hostonline.dk	—	—	—
ns6.hostonline.dk	—	—	—

🌍 A Records1 records 77ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.63.220.214	—	214.220.63.80.customer.static.mhhosting.dk	AS3292	TDC Holding A/S	80.62.0.0/15	🇩🇰 Denmark	Ejby

📧 MX Records1 records 117ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	du-dk0c.mail.protection.outlook.com	52.101.68.10 52.101.68.12 52.101.68.21 52.101.73.4	mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 171ms

TXT Record
'v=DMARC1; p=none'
MS=ms62272706
v=spf1 include:_spf.hostonline.dk include:spf.protection.outlook.com include:spf.mandrillapp.com -all

✉️ SPF

Policy	Record (d-u.dk)
-all (hard fail)	v=spf1 include:_spf.hostonline.dk include:spf.protection.outlook.com include:spf.mandrillapp.com -all

📨 DMARC

Policy	Record (_dmarc.d-u.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)

🔐 DNSSEC240ms

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

🏷️ SOA101ms

Field	Value
Serial	2026061602
Primary NS (MNAME)	ns4.hostonline.dk
Responsible (RNAME)	hostmaster@hostonline.dk
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	172800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

99ms

A

77ms

MX

117ms

AAAA

119ms

TXT

171ms

CAA

105ms

HTTPS

117ms

TLSA

94ms

SOA

101ms

MTA-STS

110ms

DNSSEC

240ms

SRV

0ms

Total

741ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 23:12:18	1230ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 12:51:31	1344ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 13:40:21	1491ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 15:18:49	6035ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 17:03:47	3740ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 18:19:19	1343ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-03 04:12:32	1337ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 02:17:22	9074ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 14:02:00	17944ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 00:23:24	2834ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 06:06:12	1613ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 09:09:14	1709ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 20:28:57	5094ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 19:21:42	2170ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 22:29:00	1199ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 10:16:35	5079ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:37:57	1836ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:31:14	741ms	3 NS 1 A 1 MX	🔒 Secure	View