prestabox.dk

📜 Historical scan 2026-09-28 20:52:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

prestabox.dk is a .dk domain served by 2 nameservers (albert.ns.cloudflare.com, emily.ns.cloudflare.com). It was registered on 22 June 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.18.12.241 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is not DNSSEC-signed, 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
albert.ns.cloudflare.com	108.162.193.58 172.64.33.58 173.245.59.58 2606:4700:58::adf5:3b3a 2803:f800:50::6ca2:c13a 2a06:98c1:50::ac40:213a	albert.ns.cloudflare.com albert.ns.cloudflare.com albert.ns.cloudflare.com albert.ns.cloudflare.com albert.ns.cloudflare.com albert.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
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.

🌍 A Records#

2 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.18.12.241	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—
104.18.13.241	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.18.13.241
🔶 Autoconfig	104.18.13.241

🔷 AAAA Records (IPv6)#

2 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700::6812:cf1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700::6812:df1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records#

1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.18.12.241,104.18.13.241 ipv6hint=2606:4700::6812:cf1,2606:4700::6812:df1

📝 TXT Records#

1 records 196ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (prestabox.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.prestabox.dk)
p=reject	v=DMARC1; p=reject; aspf=s; adkim=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 2026-10-11 14:51:10

www	104.18.12.241 104.18.13.241 2606:4700::6812:cf1 2606:4700::6812:df1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network prestabox.dk: 104.18.12.241 104.18.13.241 2606:4700::6812:cf1 2606:4700::6812:df1 (AS13335) www.prestabox.dk: 104.18.12.241 104.18.13.241 2606:4700::6812:cf1 2606:4700::6812:df1 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

120ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2416103840
Primary NS (MNAME)	albert.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 13:45:35

Field	Value
Registrar	1API GmbH
Registered	2010-06-22
Expires	2027-06-30 (253d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

44ms

43ms

AAAA

35ms

TXT

196ms

CAA

35ms

HTTPS

36ms

TLSA

68ms

SOA

0ms

MTA-STS

54ms

DNSSEC

120ms

SRV

71ms

Total

712ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 21:03:38	1630ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-28 20:52:15 shown	712ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 20:19:47	602ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 19:52:36	581ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-06 09:30:16	1358ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-26 20:36:06	876ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-21 05:26:00	25082ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 23:05:44	935ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 22:08:05	2049ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 14:20:00	852ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 07:07:19	673ms	2 NS 2 A 0 MX	🔓 Insecure