sitebuilding.dk

📜 Historical scan 2026-06-18 04:17:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sitebuilding.dk is a .dk domain served by 2 nameservers (ns1.krystal.uk, ns2.krystal.uk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 152.89.79.37 is hosted by Krystal Hosting Ltd (AS12488) in United States. Mail is handled by mx1.krystalhosting.com, mx2.krystalhosting.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 54ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.krystal.uk	77.72.0.11	ns1.krystal.uk	AS12488 Krystal Hosting Ltd
ns2.krystal.uk	139.162.230.184	ns2.krystal.uk	AS63949 Akamai Connected Cloud

🌍 A Records#

1 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
152.89.79.37	—	marco-nyc.krystalhosting.com	AS12488	Krystal Hosting Ltd	152.89.76.0/22	🇺🇸 United States	—

📧 MX Records#

2 records 171ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.krystalhosting.com	185.53.56.44 185.53.56.46	mx1.strikemail.co.uk mx1.strikemail.co.uk	AS12488 Krystal Hosting Ltd AS12488 Krystal Hosting Ltd
20	—	mx2.krystalhosting.com	185.53.56.45 185.53.56.47	mx2.strikemail.co.uk mx2.strikemail.co.uk	AS12488 Krystal Hosting Ltd AS12488 Krystal Hosting Ltd

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 255ms

TXT Record
v=spf1 +a +mx +ip4:152.89.79.37 include:relay.k.io ~all

✉️ SPF#

Policy	Record (sitebuilding.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:152.89.79.37 include:relay.k.io ~all

📨 DMARC#

Policy	Record (_dmarc.sitebuilding.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-13 02:18:56

www CNAME	sitebuilding.dk (all on sitebuilding.dk) → 152.89.79.37 (AS12488)
www vs bare domain	Same network sitebuilding.dk: 152.89.79.37 (AS12488) www.sitebuilding.dk: 152.89.79.37 (AS12488)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~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: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

108ms

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

🏷️ SOA#

65ms

Field	Value
Serial	2026061201
Primary NS (MNAME)	ns1.krystal.uk
Responsible (RNAME)	admin@k-validator-marco-nyc.krystalhosting.com
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

54ms

59ms

171ms

AAAA

58ms

TXT

255ms

CAA

130ms

HTTPS

71ms

TLSA

64ms

SOA

65ms

MTA-STS

187ms

DNSSEC

108ms

SRV

199ms

Total

649ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 02:18:56	4402ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-07 15:16:44	1235ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-30 10:12:48	1642ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-18 17:37:46	4133ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-02 23:01:45	2238ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-27 23:12:45	3968ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-26 06:49:49	10802ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-16 19:52:21	2449ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-13 10:32:23	3834ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-18 04:17:46 shown	649ms	2 NS 1 A 2 MX	🔓 Insecure