upst.dk

📜 Historical scan 2026-10-04 09:07:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

upst.dk is a .dk domain served by 2 nameservers (kianchau.ns.cloudflare.com, sue.ns.cloudflare.com). It was registered on 13 September 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.18.166 is hosted by Cloudflare, Inc. (AS13335). 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 142ms

Nameserver	IP addresses	PTR	ASN / ISP
kianchau.ns.cloudflare.com	108.162.195.179 162.159.44.179 172.64.35.179 2606:4700:58::a29f:2cb3 2803:f800:50::6ca2:c3b3 2a06:98c1:50::ac40:23b3	kianchau.ns.cloudflare.com kianchau.ns.cloudflare.com kianchau.ns.cloudflare.com kianchau.ns.cloudflare.com kianchau.ns.cloudflare.com kianchau.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sue.ns.cloudflare.com	108.162.192.145 172.64.32.145 173.245.58.145 2606:4700:50::adf5:3a91 2803:f800:50::6ca2:c091 2a06:98c1:50::ac40:2091	sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com sue.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 121ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.18.166	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.182.192	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 142ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:b6c0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:12a6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 138ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.18.166,172.67.182.192 ech=AEX+DQBBGgAgACDXtcrNIgCrUouNh2NzXiayHDq57GWhVUm3+1b57TVAFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b6c0,2606:4700:3032::6815:12a6

📝 TXT Records#

📝

No TXT records found

✉️ 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 2026-10-09 09:58:35

www	104.21.18.166 172.67.182.192 2606:4700:3031::ac43:b6c0 2606:4700:3032::6815:12a6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network upst.dk: 104.21.18.166 172.67.182.192 2606:4700:3031::ac43:b6c0 2606:4700:3032::6815:12a6 (AS13335) www.upst.dk: 104.21.18.166 172.67.182.192 2606:4700:3031::ac43:b6c0 2606:4700:3032::6815:12a6 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

261ms

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

🏷️ SOA#

98ms

Field	Value
Serial	2416558812
Primary NS (MNAME)	kianchau.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 22:29:34

Field	Value
Registrar	InterNetX GmbH
Registered	1999-09-13
Expires	2027-09-30 (344d)

📋 WHOIS#

⏱️ Lookup Timing#

142ms

121ms

83ms

AAAA

142ms

TXT

387ms

CAA

115ms

HTTPS

138ms

TLSA

227ms

SOA

98ms

MTA-STS

222ms

DNSSEC

261ms

SRV

193ms

Total

1313ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 09:58:35	489ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-04 09:07:56 shown	1313ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-02 08:59:43	427ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 08:01:24	620ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 21:56:06	586ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-28 01:46:39	2372ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 14:48:20	1640ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-22 07:56:18	1120ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-30 21:02:01	1094ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 12:31:29	734ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 08:23:26	881ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 22:32:44	1374ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 21:20:28	1115ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 12:06:39	693ms	2 NS 2 A 0 MX	🔓 Insecure