dupit.dk

📜 Historical scan 2026-06-17 05:01:11  ·  ← 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   31ms
NameserverIP addressesPTRASN / ISP
maisie.ns.cloudflare.com — — —
tadeo.ns.cloudflare.com — — —

🌍 A Records#

2 records   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.86.91 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.217.102 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

3 records   30ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx.zoho.eu 185.20.209.166
185.20.209.166
185.20.209.166
185.230.214.166
185.230.214.166
185.230.214.166		 mx.zoho.eu
mx2.zoho.eu
mx3.zoho.eu
mx2.zoho.eu
mx.zoho.eu
mx3.zoho.eu		 AS41913 Computerline GmbH
AS41913 Computerline GmbH
AS41913 Computerline GmbH
AS205111 ZOHO Corporation B.V
AS205111 ZOHO Corporation B.V
AS205111 ZOHO Corporation B.V
20 — mx2.zoho.eu 89.36.170.166
89.36.170.166
89.36.170.166		 mx2.zoho.eu
mx.zoho.eu
mx3.zoho.eu		 AS41913 Computerline GmbH
AS41913 Computerline GmbH
AS41913 Computerline GmbH
50 — mx3.zoho.eu 185.230.212.166
185.230.212.166
185.230.212.166		 mx2.zoho.eu
mx.zoho.eu
mx3.zoho.eu		 AS205111 ZOHO Corporation B.V
AS205111 ZOHO Corporation B.V
AS205111 ZOHO Corporation B.V

🔷 AAAA Records (IPv6)#

2 records   31ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:565b — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3036::ac43:d966 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   35ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.86.91,172.67.217.102 ech=AEX+DQBBTgAgACBkv//ZxP4Vaum9fERkUVoG+f/WeY8RgzuorCx9S5g9PgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:565b,2606:4700:3036::ac43:d966

📝 TXT Records#

2 records   111ms
TXT Record
v=spf1 include:zohomail.eu -all
zoho-verification=zb36400767.zmverify.zoho.eu

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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   29ms
FlagsTagValue
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
www104.21.86.91 172.67.217.102 2606:4700:3033::6815:565b 2606:4700:3034::ac43:d966 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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#

119ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

31ms
FieldValue
Serial2407133114
Primary NS (MNAME)maisie.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-08 20:18:49
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2025-12-30
Expires2033-12-29 (2630d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
31ms
A
33ms
MX
30ms
AAAA
31ms
TXT
111ms
CAA
29ms
HTTPS
35ms
TLSA
84ms
SOA
31ms
MTA-STS
38ms
DNSSEC
119ms
SRV
0ms
Total
1211ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 1211ms 2 NS 2 A 3 MX 🔒 Secure
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