bygeertsen.dk

📜 Historical scan 2026-07-15 13:10:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bygeertsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx20.check4spam.dk, mx30.check4spam.dk and 1 more. The zone is DNSSEC-signed and validates, has no 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 150ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 116ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.211.38	600s	domain-parking.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

3 records 93ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx20.check4spam.dk	154.59.193.124 2001:978:2:6::f:124	fe3-r3-in.du01.l.antispamcloud.com fe3-r3-in.du01.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC
10	3600s	mx30.check4spam.dk	154.59.104.23 2001:978:2:2c::137:100	fe2-r3-in.ams14.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com	AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC
10	3600s	mx40.check4spam.dk	154.59.104.23 2001:978:2:2c::137:100	fe2-r3-in.ams14.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com	AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-redirect.hosit.dk → 193.104.202.113

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 263ms

TXT Record
v=spf1 include:spf.hosit.dk -all

✉️ SPF#

Policy	Record (bygeertsen.dk)
-all (hard fail)	v=spf1 include:spf.hosit.dk -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 2026-10-13 09:31:30

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Same network bygeertsen.dk: 46.30.211.38 (AS51468) www.bygeertsen.dk: 46.30.211.38 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

176ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026071201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

150ms

116ms

93ms

AAAA

138ms

TXT

263ms

CAA

112ms

HTTPS

106ms

TLSA

440ms

SOA

0ms

MTA-STS

136ms

DNSSEC

176ms

SRV

174ms

Total

3125ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 09:31:30	661ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-13 03:51:28	774ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-12 08:38:25	4947ms	2 NS 1 A 3 MX	🔒 Secure
2026-07-15 13:10:21 shown	3125ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-28 00:14:26	1084ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-23 23:50:28	683ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-20 01:41:34	1860ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-16 18:10:35	699ms	2 NS 1 A 3 MX	🔒 Secure