ulstrupvand.dk

📜 Historical scan 2026-07-06 17:09:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ulstrupvand.dk is a .dk domain served by 2 nameservers (carter.ns.cloudflare.com, kristin.ns.cloudflare.com). It was registered on 26 February 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.96.117 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ulstrupvand-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 269ms

Nameserver	IP addresses	PTR	ASN / ISP
carter.ns.cloudflare.com	108.162.193.80 172.64.33.80 173.245.59.80 2606:4700:58::adf5:3b50 2803:f800:50::6ca2:c150 2a06:98c1:50::ac40:2150	carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kristin.ns.cloudflare.com	108.162.192.181 172.64.32.181 173.245.58.181 2606:4700:50::adf5:3ab5 2803:f800:50::6ca2:c0b5 2a06:98c1:50::ac40:20b5	kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 229ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.96.117	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.180.10	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 203ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	ulstrupvand-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::d 2a01:111:f403:ca09::b 2a01:111:f403:ca09::d 52.101.68.0 52.101.68.8 52.101.73.4 52.101.73.6	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com mail-am6pr04cu00306.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

🔷 AAAA Records (IPv6)#

2 records 227ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:b40a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:6075	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 295ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.96.117,172.67.180.10 ech=AEX+DQBBnwAgACA6n+F99n3Og71Qmfn/cjmltHVRWjA22WoU2vg52StfUQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:b40a,2606:4700:3033::6815:6075

📝 TXT Records#

1 records 556ms

TXT Record
amazonses:TnElX0Bb22xKQSswRn2afZBL3ivNi4Y9fPmM6IWdNcU=

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 09:59:21

www	104.21.96.117 172.67.180.10 2606:4700:3032::ac43:b40a 2606:4700:3033::6815:6075 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ulstrupvand.dk: 104.21.96.117 172.67.180.10 2606:4700:3032::ac43:b40a 2606:4700:3033::6815:6075 (AS13335) www.ulstrupvand.dk: 104.21.96.117 172.67.180.10 2606:4700:3032::ac43:b40a 2606:4700:3033::6815:6075 (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u16961871.wl122.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u16961871.wl122.sendgrid.net	RSA · ~1024 bit below 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.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

421ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2408686190
Primary NS (MNAME)	carter.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 06:00:33

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-02-26
Expires	2027-02-28 (131d)

🔗 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#

269ms

229ms

203ms

AAAA

227ms

TXT

556ms

CAA

332ms

HTTPS

295ms

TLSA

544ms

SOA

0ms

MTA-STS

346ms

DNSSEC

421ms

SRV

326ms

Total

6652ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-04 02:10:28	10199ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-29 21:40:10	2547ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 11:36:18	917ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 07:44:31	2077ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-06 17:09:15 shown	6652ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 09:34:56	1263ms	2 NS 2 A 1 MX	❓ Unknown
2026-06-18 01:51:22	1620ms	2 NS 2 A 1 MX	🔓 Insecure