gregersboye.dk

📜 Historical scan 2026-06-17 09:18:46  ·  ← 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   39ms
NameserverIP addressesPTRASN / ISP
emily.ns.cloudflare.com — — —
graham.ns.cloudflare.com — — —

🌍 A Records#

2 records   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.47.86 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.145.251 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx.unoeuro.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records   32ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::6815:2f56 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:91fb — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   25ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.47.86,172.67.145.251 ech=AEX+DQBBBwAgACCqfmcfnIuoKJ5IlEf/fctMxRpLGzhWDr4T3BFQFMHreQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:2f56,2606:4700:3037::ac43:91fb

📝 TXT Records#

2 records   155ms
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
www104.21.47.86 172.67.145.251 2606:4700:3031::ac43:91fb 2606:4700:3035::6815:2f56 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

✍️ 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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

157ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

34ms
FieldValue
Serial2406477984
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
39ms
A
29ms
MX
39ms
AAAA
32ms
TXT
155ms
CAA
52ms
HTTPS
25ms
TLSA
132ms
SOA
34ms
MTA-STS
75ms
DNSSEC
157ms
SRV
0ms
Total
951ms

🕐 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 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 shown 951ms 2 NS 2 A 1 MX 🔓 Insecure
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