gregersboye.dk

📜 Historical scan 2026-09-25 01:24:46  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gregersboye.dk is a .dk domain served by 2 nameservers (emily.ns.cloudflare.com, graham.ns.cloudflare.com). It was registered on 16 December 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.47.86 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.unoeuro.com. The zone is not DNSSEC-signed, has no 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   44ms

🌍 A Records#

2 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.47.86 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.145.251 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   896ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.unoeuro.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover3.126.131.32
🔶 Autoconfig3.126.131.32

🔷 AAAA Records (IPv6)#

2 records   40ms

🔐 HTTPS Records#

1 records   41ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.47.86,172.67.145.251 ech=AEX+DQBBQAAgACDkbcj5PV99YRoi17jXsrNp0J2+mM3t+uvgYSRwQeiNTgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:91fb,2606:4700:3035::6815:2f56

📝 TXT Records#

2 records   168ms
TXT Record
v=spf1 include:servers.mcsv.net ?all
v=spf1 include:spf.mandrillapp.com include:mailer.postageapp.com include:mailgun.org ?all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (gregersboye.dk)
?all (neutral) v=spf1 include:servers.mcsv.net ?all
?all (neutral) v=spf1 include:spf.mandrillapp.com include:mailer.postageapp.com include:mailgun.org ?all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-07 22:32:49

✍️ DKIM keys#

1 found
SelectorCNAMEKey
k1 dkim.mcsv.net RSA · ~1024 bit below 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: 1/10 · policy: ?all

  • error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)
  • warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.gregersboye.dk PgPprxpsTlTzCwBAgIXp0XNeR6HMzkow6CTUucExFHo
TXT _acme-challenge.gregersboye.dk Yl9bcCrobyU-N-k9WWUrR9eq0hrxydhf-L1gXsutrMc

🔗 TLSA / DANE#

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

🔐 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
Serial2415758433
Primary NS (MNAME)emily.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-06 08:48:08
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2003-12-16
Expires2026-12-31 (71d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
39ms
MX
896ms
AAAA
40ms
TXT
168ms
CAA
43ms
HTTPS
41ms
TLSA
68ms
SOA
0ms
MTA-STS
56ms
DNSSEC
113ms
SRV
62ms
Total
1376ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 22:32:49 933ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-06 08:30:42 1539ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-02 08:15:25 939ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 08:03:28 1195ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-27 07:10:23 1193ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-26 06:57:43 649ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-25 06:41:15 573ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-25 01:24:46 shown 1376ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 01:05:24 720ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-15 19:50:27 1447ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-11 16:34:32 2423ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-06 23:29:48 1390ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-28 01:52:46 652ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 02:26:40 1001ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-26 10:57:44 1233ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-21 17:38:50 1409ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-08 04:27:01 8925ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-02 00:42:16 872ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 09:18:46 951ms 2 NS 2 A 1 MX 🔓 Insecure
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