astratech.dk

📜 Historical scan 2026-06-16 13:46:11  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

astratech.dk is a .dk domain served by 2 nameservers (kareem.ns.cloudflare.com, susan.ns.cloudflare.com). It was registered on 28 August 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.11.8 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   50ms
NameserverIP addressesPTRASN / ISP
kareem.ns.cloudflare.com — — —
susan.ns.cloudflare.com — — —

🌍 A Records#

2 records   59ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.11.8 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.147.108 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   95ms
PriorityTTLMail ServerIP addressesPTRASN
10 — 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 — 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

🔷 AAAA Records (IPv6)#

2 records   49ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:b08 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3032::ac43:936c — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   55ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.11.8,172.67.147.108 ech=AEX+DQBBlwAgACA41AMgc1sbai2CoOVhilCbC1JktSaHjQMIOv4l671bLwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:b08,2606:4700:3032::ac43:936c

📝 TXT Records#

2 records   127ms
TXT Record
protonmail-verification=cb7f475e49e3c00c8832f6c103259e3d0354eaff
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_dmarc.astratech.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 2026-10-16 10:37:34
www104.21.11.8 172.67.147.108 2606:4700:3031::ac43:936c 2606:4700:3032::6815:b08 (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   67ms
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#

159ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

56ms
FieldValue
Serial2405890331
Primary NS (MNAME)kareem.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-12 11:28:35
FieldValue
RegistrarDANDOMAIN A/S
Registered2023-08-28
Expires2027-08-27 (312d)

🔗 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
datavin.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
50ms
A
59ms
MX
95ms
AAAA
49ms
TXT
127ms
CAA
64ms
HTTPS
55ms
TLSA
67ms
SOA
56ms
MTA-STS
56ms
DNSSEC
159ms
SRV
0ms
Total
848ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 10:37:34 556ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-14 10:09:25 1797ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-13 07:02:21 1412ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-12 02:20:46 940ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-08 00:24:21 552ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-01 00:55:59 605ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-14 22:12:55 2112ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-29 15:15:13 9849ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-26 12:46:50 9728ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-16 13:40:35 5682ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-15 02:31:51 1972ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-03 01:02:45 1114ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-25 02:12:47 6316ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-23 12:57:44 1184ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-18 20:44:53 3116ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-16 14:06:17 3214ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-16 13:46:11 shown 848ms 2 NS 2 A 2 MX 🔓 Insecure
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