udsholtvand.dk

Records from scan: 2026-10-09 06:25:16 · 1031ms total · last checked 2026-10-27 09:26 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

udsholtvand.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 9 February 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.107.224.17 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by udsholtvand-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.107.224.17	3600s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	udsholtvand-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::4 2a01:111:f403:ca09::26 2a01:111:f403:ca3c::6 52.101.103.39 52.101.68.15 52.101.68.25 52.101.73.126	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 52.98.149.152
🔶 Autoconfig	131.165.98.194

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 124ms

TXT Record
MS=ms57929927
v=spf1 ip4:208.91.114.151 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (udsholtvand.dk)
-all (hard fail)	v=spf1 ip4:208.91.114.151 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.udsholtvand.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:kw4mtjma@ag.eu.dmarcian.com; ruf=mailto:kw4mtjma@fr.eu.dmarcian.com; fo=1;

📬 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

🧩 Web & zone#

checked 2026-10-09 06:25:16

www CNAME	rw-dnn-prod-e4gkc6eacde5a2ce.z01.azurefd.net (all on azurefd.net) → 150.171.109.193 2603:1061:14:c1::1 (AS8075)
www vs bare domain	Same network udsholtvand.dk: 20.107.224.17 (AS8075) www.udsholtvand.dk: 150.171.109.193 2603:1061:14:c1::1 (AS8075)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-udsholtvand-dk._domainkey.udsholtvand.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

57ms

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

🏷️ SOA#

37ms

Field	Value
Serial	2024111801
Primary NS (MNAME)	ns2.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-16 19:59:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-02-09
Expires	2027-02-28 (123d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

31ms

32ms

34ms

AAAA

33ms

TXT

124ms

CAA

30ms

HTTPS

29ms

TLSA

666ms

SOA

37ms

MTA-STS

40ms

DNSSEC

57ms

SRV

56ms

Total

1031ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 06:25:16 shown	1031ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 23:05:55	878ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 22:58:19	2373ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 12:13:18	1339ms	2 NS 1 A 1 MX	🔒 Secure