ulti.dk

📜 Historical scan 2026-10-14 01:40:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ulti.dk is a .dk domain served by 2 nameservers (kia.ns.cloudflare.com, terin.ns.cloudflare.com). It was registered on 12 October 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.87.205 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route3.mx.cloudflare.net, route1.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, publishes a 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
kia.ns.cloudflare.com	108.162.192.179 172.64.32.179 173.245.58.179 2606:4700:50::adf5:3ab3 2803:f800:50::6ca2:c0b3 2a06:98c1:50::ac40:20b3	kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
terin.ns.cloudflare.com	108.162.193.236 172.64.33.236 173.245.59.236 2606:4700:58::adf5:3bec 2803:f800:50::6ca2:c1ec 2a06:98c1:50::ac40:21ec	terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.87.205	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.145.244	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
28	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
37	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
66	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:91f4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:57cd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.87.205,172.67.145.244 ech=AEX+DQBB7QAgACDVIJ1+nNReGjcZJINIWWe6zpM7KnJbwIgwrOGjUhlYDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:91f4,2606:4700:3037::6815:57cd

📝 TXT Records#

3 records 174ms

TXT Record
fed56a613a5ba06d23437793e6cc6808976a674d
v=spf1 -all
v=spf1 include:_spf.mx.cloudflare.net -all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (ulti.dk)
-all (hard fail)	v=spf1 -all
-all (hard fail)	v=spf1 include:_spf.mx.cloudflare.net -all

📨 DMARC#

Policy	Record (_dmarc.ulti.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 2026-10-15 05:01:11

www	104.21.87.205 172.67.145.244 2606:4700:3034::ac43:91f4 2606:4700:3037::6815:57cd (AS13335) (address records, no CNAME)
www vs bare domain	Same network ulti.dk: 104.21.87.205 172.67.145.244 2606:4700:3034::ac43:91f4 2606:4700:3037::6815:57cd (AS13335) www.ulti.dk: 104.21.87.205 172.67.145.244 2606:4700:3034::ac43:91f4 2606:4700:3037::6815:57cd (AS13335)
Wildcard	No

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

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: 0/10 · policy: -all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ulti.dk	F1sG8tT6UNHeguAo2hlXCw18L2McqipNzPA1FDn5oUs
TXT	_acme-challenge.ulti.dk	kqccWUTMe_2mwhZfiK8qvQPrEuiOWkyrcYtCxCTCBuM

🔗 TLSA / DANE#

9 records 131ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…

🔐 DNSSEC#

118ms

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

🏷️ SOA#

44ms

Field	Value
Serial	2417386636
Primary NS (MNAME)	kia.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 08:10:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-10-12
Expires	2027-10-31 (376d)

🔗 Same registrant#

7 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).

Domain	Registrar
18maj2024.dk	Punktum dk A/S (direct)
billa.dk	Punktum dk A/S (direct)
hackere.dk	Punktum dk A/S (direct)
hostboy.dk	Punktum dk A/S (direct)
lillebaby.dk	Domeneshop AS
marktopper.dk	Punktum dk A/S (direct)
subjekt.dk	Domeneshop AS

📋 WHOIS#

⏱️ Lookup Timing#

34ms

44ms

32ms

AAAA

34ms

TXT

174ms

CAA

44ms

HTTPS

42ms

TLSA

131ms

SOA

44ms

MTA-STS

60ms

DNSSEC

118ms

SRV

56ms

Total

1229ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 05:01:11	3291ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-14 01:40:10 shown	1229ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-08 11:48:24	1213ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-30 02:03:51	1092ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-27 21:21:08	1119ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-24 20:16:50	856ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-02 10:54:43	1542ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-31 19:58:16	947ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-28 00:06:10	2928ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-16 07:05:39	5784ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-15 00:52:59	2086ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-09 13:53:19	3637ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-26 08:14:00	1035ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-24 18:51:35	3393ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-24 06:22:32	995ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 16:19:45	1742ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-18 03:50:26	1452ms	2 NS 2 A 3 MX	🔓 Insecure