astratech.dk

📜 Historical scan 2026-10-14 10:09:25  ·  ← 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   30ms
NameserverIP addressesPTRASN / ISP
kareem.ns.cloudflare.com 108.162.195.22
162.159.44.22
172.64.35.22
2606:4700:58::a29f:2c16
2803:f800:50::6ca2:c316
2a06:98c1:50::ac40:2316		 kareem.ns.cloudflare.com
kareem.ns.cloudflare.com
kareem.ns.cloudflare.com
kareem.ns.cloudflare.com
kareem.ns.cloudflare.com
kareem.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
susan.ns.cloudflare.com 108.162.194.199
162.159.38.199
172.64.34.199
2606:4700:50::a29f:26c7
2803:f800:50::6ca2:c2c7
2a06:98c1:50::ac40:22c7		 susan.ns.cloudflare.com
susan.ns.cloudflare.com
susan.ns.cloudflare.com
susan.ns.cloudflare.com
susan.ns.cloudflare.com
susan.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   34ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.11.8 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.147.108 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   29ms
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
🔷 Autodiscoverautodiscover.outlook.com → 52.98.149.136
🔶 Autoconfig104.21.11.8

🔷 AAAA Records (IPv6)#

2 records   36ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::ac43:936c 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3032::6815:b08 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   32ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.11.8,172.67.147.108 ech=AEX+DQBB6AAgACAAc/Dneg5msvZ4wUhHBIt1hR3G+y0gA9ldTKGE83yBTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:936c,2606:4700:3032::6815:b08

📝 TXT Records#

2 records   159ms
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

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.astratech.dk 2LTFBFF8f4j3SEmnm1FFXr5oMdGyWVfL4XD9ItdTSeQ
TXT _acme-challenge.astratech.dk XKaiC-H2e3M7_h8ddbmTOEmR5hJWx-5TJFCghvVdOzo

🔗 TLSA / DANE#

4 records   72ms
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 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

110ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

41ms
FieldValue
Serial2417425416
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
30ms
A
34ms
MX
29ms
AAAA
36ms
TXT
159ms
CAA
34ms
HTTPS
32ms
TLSA
72ms
SOA
41ms
MTA-STS
51ms
DNSSEC
110ms
SRV
89ms
Total
1797ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 10:37:34 556ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-14 10:09:25 shown 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 848ms 2 NS 2 A 2 MX 🔓 Insecure
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