devtsb.dk

📜 Historical scan 2026-09-14 14:11:55  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

devtsb.dk is a .dk domain served by 2 nameservers (ophelia.ns.cloudflare.com, wells.ns.cloudflare.com). It was registered on 28 June 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.49.8 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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   54ms
NameserverIP addressesPTRASN / ISP
ophelia.ns.cloudflare.com 108.162.194.248
162.159.38.248
172.64.34.248
2606:4700:50::a29f:26f8
2803:f800:50::6ca2:c2f8
2a06:98c1:50::ac40:22f8		 ophelia.ns.cloudflare.com
ophelia.ns.cloudflare.com
ophelia.ns.cloudflare.com
ophelia.ns.cloudflare.com
ophelia.ns.cloudflare.com
ophelia.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
wells.ns.cloudflare.com 108.162.195.125
162.159.44.125
172.64.35.125
2606:4700:58::a29f:2c7d
2803:f800:50::6ca2:c37d
2a06:98c1:50::ac40:237d		 wells.ns.cloudflare.com
wells.ns.cloudflare.com
wells.ns.cloudflare.com
wells.ns.cloudflare.com
wells.ns.cloudflare.com
wells.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   62ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.49.8 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.139.254 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   75ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.protonmail.ch 176.119.200.128
185.205.70.128
185.70.42.128		 mail.protonmail.ch
mail.protonmail.ch
mail.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
20 300s mailsec.protonmail.ch 176.119.200.129
185.205.70.129
185.70.42.129		 mailsec.protonmail.ch
mailsec.protonmail.ch
mailsec.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover192.168.82.100
🔶 Autoconfig192.168.82.100

🔷 AAAA Records (IPv6)#

2 records   79ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:8bfe 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:3108 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   65ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.49.8,172.67.139.254 ech=AEX+DQBBkAAgACDmpW+j5nTOBHOpLP6Cf6WTkqMMJ5Z6eVcakC2c3bHUcgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8bfe,2606:4700:3037::6815:3108

📝 TXT Records#

2 records   235ms
TXT Record
protonmail-verification=530211a59dc2690d1514291af974c287299c5c89
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

PolicyRecord (devtsb.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

PolicyRecord (_dmarc.devtsb.dk)
p=quarantine v=DMARC1; p=quarantine

📬 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 2026-10-14 21:18:55
www104.21.49.8 172.67.139.254 2606:4700:3030::ac43:8bfe 2606:4700:3037::6815:3108 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records   107ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC#

113ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2410986779
Primary NS (MNAME)ophelia.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-15 19:21:15
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2023-06-28
Expires2027-06-27 (252d)

🔗 Same registrant#

1 domain

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).

DomainRegistrar
ai-challenge.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
54ms
A
62ms
MX
75ms
AAAA
79ms
TXT
235ms
CAA
57ms
HTTPS
65ms
TLSA
107ms
SOA
0ms
MTA-STS
102ms
DNSSEC
113ms
SRV
107ms
Total
938ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 01:55:23 770ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-27 16:35:31 990ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-25 16:14:38 9595ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-24 23:14:45 784ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-14 14:11:55 shown 938ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-02 17:56:12 1321ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-29 20:25:20 10884ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-28 00:39:45 1507ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-25 23:51:03 8958ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-01 13:01:39 1023ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-24 19:40:31 1271ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-19 14:37:15 795ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-17 02:53:38 2538ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-17 02:30:19 790ms 2 NS 2 A 2 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone