dupit.dk

📜 Historical scan 2026-08-24 17:38:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dupit.dk is a .dk domain served by 2 nameservers (maisie.ns.cloudflare.com, tadeo.ns.cloudflare.com). It was registered on 30 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.86.91 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.zoho.eu, mx2.zoho.eu and 1 more. The zone is DNSSEC-signed and validates, 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 566ms

Nameserver	IP addresses	PTR	ASN / ISP
maisie.ns.cloudflare.com	108.162.194.89 162.159.38.89 172.64.34.89 2606:4700:50::a29f:2659 2803:f800:50::6ca2:c259 2a06:98c1:50::ac40:2259	maisie.ns.cloudflare.com maisie.ns.cloudflare.com maisie.ns.cloudflare.com maisie.ns.cloudflare.com maisie.ns.cloudflare.com maisie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tadeo.ns.cloudflare.com	108.162.195.197 162.159.44.197 172.64.35.197 2606:4700:58::a29f:2cc5 2803:f800:50::6ca2:c3c5 2a06:98c1:50::ac40:23c5	tadeo.ns.cloudflare.com tadeo.ns.cloudflare.com tadeo.ns.cloudflare.com tadeo.ns.cloudflare.com tadeo.ns.cloudflare.com tadeo.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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.86.91	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.217.102	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx.zoho.eu	185.230.214.166 185.230.214.166 185.230.214.166	mx2.zoho.eu mx3.zoho.eu mx.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
20	600s	mx2.zoho.eu	185.230.214.166 185.230.214.166 185.230.214.166	mx2.zoho.eu mx3.zoho.eu mx.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
50	600s	mx3.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166	mx2.zoho.eu mx3.zoho.eu mx.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.217.102
🔶 Autoconfig	104.21.86.91

🔷 AAAA Records (IPv6)#

2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:565b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:d966	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 65ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.86.91,172.67.217.102 ech=AEX+DQBB9wAgACCwmr4TQvMbFTMSvbhGKEYke/IhSrzgP8WPsyKNuzNcawAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:565b,2606:4700:3034::ac43:d966

📝 TXT Records#

2 records 212ms

TXT Record
v=spf1 include:zohomail.eu -all
zoho-verification=zb36400767.zmverify.zoho.eu

✉️ SPF#

Policy	Record (dupit.dk)
-all (hard fail)	v=spf1 include:zohomail.eu -all

📨 DMARC#

Policy	Record (_dmarc.dupit.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:94981c934ba04081b187aa11abe4c1b8@dmarc-reports.cloudflare.net

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

11 records 50ms

Flags	Tag	Value
0	iodef	Henrik@gpsleg.dk
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 07:59:27

www	104.21.86.91 172.67.217.102 2606:4700:3033::6815:565b 2606:4700:3034::ac43:d966 (AS13335) (address records, no CNAME)
www vs bare domain	Same network dupit.dk: 188.114.96.1 188.114.97.1 2606:4700:3033::6815:565b 2606:4700:3034::ac43:d966 (AS13335) www.dupit.dk: 104.21.86.91 172.67.217.102 2606:4700:3033::6815:565b 2606:4700:3034::ac43:d966 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

83ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413036725
Primary NS (MNAME)	maisie.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 20:18:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2025-12-30
Expires	2033-12-29 (2630d)

📋 WHOIS#

⏱️ Lookup Timing#

566ms

39ms

43ms

AAAA

42ms

TXT

212ms

CAA

50ms

HTTPS

65ms

TLSA

236ms

SOA

0ms

MTA-STS

76ms

DNSSEC

83ms

SRV

79ms

Total

1502ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 07:59:27	935ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-23 13:46:34	889ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-29 02:11:22	2059ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-27 20:04:42	1417ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-26 18:01:59	1610ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-24 17:38:07 shown	1502ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-06 06:52:42	1427ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-24 11:36:04	10337ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-11 13:29:08	3400ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-29 10:19:14	1261ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-26 19:54:50	1014ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-21 12:37:50	3349ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-21 04:25:11	994ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-17 05:17:12	3280ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-17 05:05:26	38480ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-17 05:02:45	737ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-17 05:01:11	1211ms	2 NS 2 A 3 MX	🔒 Secure