gregersboye.dk

📜 Historical scan 2026-10-02 08:15:25 · ← 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 49ms

Nameserver	IP addresses	PTR	ASN / 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

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.unoeuro.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	3.126.131.32
🔶 Autoconfig	3.126.131.32

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 52ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.47.86,172.67.145.251 ech=AEX+DQBBygAgACCGbC4dFgkavdCg3voo55wjfDcQFKmISY3Y8ADrTeQhFAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:91fb,2606:4700:3035::6815:2f56

📝 TXT Records#

2 records 190ms

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)

Policy	Record (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

www	104.21.47.86 172.67.145.251 2606:4700:3031::ac43:91fb 2606:4700:3035::6815:2f56 (AS13335) (address records, no CNAME)
www vs bare domain	Same network gregersboye.dk: 104.21.47.86 172.67.145.251 2606:4700:3031::ac43:91fb 2606:4700:3035::6815:2f56 (AS13335) www.gregersboye.dk: 104.21.47.86 172.67.145.251 2606:4700:3031::ac43:91fb 2606:4700:3035::6815:2f56 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
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#

152ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

38ms

Field	Value
Serial	2416373409
Primary NS (MNAME)	emily.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 08:48:08

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-12-16
Expires	2026-12-31 (71d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

38ms

40ms

AAAA

43ms

TXT

190ms

CAA

38ms

HTTPS

52ms

TLSA

152ms

SOA

38ms

MTA-STS

63ms

DNSSEC

152ms

SRV

69ms

Total

939ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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 shown	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	951ms	2 NS 2 A 1 MX	🔓 Insecure