devtsb.dk

Records from scan: 2026-09-30 01:55:23  ·  770ms total  ·  last checked 2026-10-18 00:09 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   41ms
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   52ms
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   49ms
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   65ms
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   51ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.49.8,172.67.139.254 ech=AEX+DQBBpwAgACBsvQhfm0PVNll0uU+f1Ai35w4RxTaBfgUQz7v4a8AKSgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8bfe,2606:4700:3037::6815:3108

📝 TXT Records#

2 records   227ms
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#

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   141ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

58ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415967761
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
41ms
A
52ms
MX
49ms
AAAA
65ms
TXT
227ms
CAA
40ms
HTTPS
51ms
TLSA
141ms
SOA
0ms
MTA-STS
64ms
DNSSEC
58ms
SRV
106ms
Total
770ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 01:55:23 shown 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 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
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