groencomputer.dk

📜 Historical scan 2026-09-20 19:22:49  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

groencomputer.dk is a .dk domain served by 2 nameservers (chloe.ns.cloudflare.com, patryk.ns.cloudflare.com). It was registered on 30 November 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.5.204 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by groencomputer-dk.mail.protection.outlook.com. 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   131ms

🌍 A Records#

2 records   101ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.5.204 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.133.211 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   107ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

2 records   165ms

🔐 HTTPS Records#

1 records   115ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.5.204,172.67.133.211 ech=AEX+DQBBJwAgACChLq47qQ/aXcgmKMeC1sywBTaI1Jnd0JcqfR24Zx8dcAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5cc,2606:4700:3037::ac43:85d3

📝 TXT Records#

3 records   276ms
TXT Record
google-site-verification=jyB4O_2ZS_OdGP5xCL5HkVuGSwGN9pcY0XHYiEpZchw
MS=ms31502239
v=spf1 include:spf.protection.outlook.com include:sendersrv.com -all

✉️ SPF#

PolicyRecord (groencomputer.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com include:sendersrv.com -all

📨 DMARC#

PolicyRecord (_dmarc.groencomputer.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:3405a8d9709346ada5fd1c932d7d8277@dmarc-reports.cloudflare.net; ruf=mailto:admin@groencomputer.dk; sp=quarantine; adkim=s; aspf=s; pct=100; fo=1:d:s;

📬 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 2026-10-13 02:04:59
www104.21.5.204 172.67.133.211 2606:4700:3031::6815:5cc 2606:4700:3037::ac43:85d3 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
selector1 selector1-groencomputer-dk._domainkey.tjdata1.onmicrosoft.com 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: 3/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.groencomputer.dk ogHfmgRnP-t2WrsQwJFo4YZ1qeWpqC2aPp14eA7BdV4
TXT _acme-challenge.groencomputer.dk xoP7rVjE67Tv_3x39rMu3eP2YXKOTIP3AnudsTovdwA

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

166ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2414702883
Primary NS (MNAME)chloe.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-07 13:36:22
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2018-11-30
Expires2035-11-30 (3331d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
131ms
A
101ms
MX
107ms
AAAA
165ms
TXT
276ms
CAA
116ms
HTTPS
115ms
TLSA
393ms
SOA
0ms
MTA-STS
109ms
DNSSEC
166ms
SRV
551ms
Total
1860ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 13:33:17 1243ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-30 10:02:45 1191ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-23 00:38:01 1703ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-20 19:22:49 shown 1860ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-30 15:00:53 1346ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-29 14:20:14 1131ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-19 23:16:36 10599ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-26 23:30:39 2524ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-24 23:02:07 2602ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-03 16:04:37 1382ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-24 22:25:59 1412ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-22 03:30:32 913ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-21 09:11:51 2227ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-17 09:38:28 4617ms 2 NS 2 A 1 MX 🔒 Secure
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