gregersboye.dk

📜 Historical scan 2026-09-11 16:34:32  ·  ← 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
NameserverIP addressesPTRASN / ISP
emily.ns.cloudflare.com 108.162.192.155
172.64.32.155
173.245.58.155
2606:4700:50::adf5:3a9b
2803:f800:50::6ca2:c09b
2a06:98c1:50::ac40:209b		 emily.ns.cloudflare.com
emily.ns.cloudflare.com
emily.ns.cloudflare.com
emily.ns.cloudflare.com
emily.ns.cloudflare.com
emily.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
graham.ns.cloudflare.com 108.162.193.171
172.64.33.171
173.245.59.171
2606:4700:58::adf5:3bab
2803:f800:50::6ca2:c1ab
2a06:98c1:50::ac40:21ab		 graham.ns.cloudflare.com
graham.ns.cloudflare.com
graham.ns.cloudflare.com
graham.ns.cloudflare.com
graham.ns.cloudflare.com
graham.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   38ms
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   35ms
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
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::ac43:91fb 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::6815:2f56 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   41ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.47.86,172.67.145.251 ech=AEX+DQBBYQAgACC9Vx7aJ6um4Ota/JQNkH8cCqV6aT3AKX4V+gEeeSqhTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:91fb,2606:4700:3035::6815:2f56

📝 TXT Records#

2 records   174ms
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

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.gregersboye.dk WbRY4DzESFOzyNzB1IEqB4EYDFNnHfJinNi9F1uAs4I
TXT _acme-challenge.gregersboye.dk qFseLQX_WOIpUSh3wXa6JpphVfuRtqDLBJDc1DBA6dA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414444550
Primary NS (MNAME)emily.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-21 01:44:18
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2003-12-16
Expires2026-12-31 (71d)

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

⏱️ Lookup Timing#

NS
44ms
A
38ms
MX
35ms
AAAA
40ms
TXT
174ms
CAA
35ms
HTTPS
41ms
TLSA
81ms
SOA
0ms
MTA-STS
63ms
DNSSEC
114ms
SRV
64ms
Total
2423ms

🕐 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 shown 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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