becker-christensen.dk

📜 Historical scan 2026-06-16 14:14:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

becker-christensen.dk is a .dk domain served by 4 nameservers (nsa1.schlundtech.de, nsb1.schlundtech.de, nsc1.schlundtech.de and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 31.209.188.28 is hosted by Stadtwerke Flensburg GmbH (AS56737) in Germany. Mail is handled by gate.fla.de. 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#

4 records 61ms

Nameserver	IP addresses	PTR	ASN / ISP
nsa1.schlundtech.de	—	—	—
nsb1.schlundtech.de	—	—	—
nsc1.schlundtech.de	—	—	—
nsd1.schlundtech.de	—	—	—

🌍 A Records#

1 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
31.209.188.28	—	mailgate.ht-support.de	AS56737	Stadtwerke Flensburg GmbH	31.209.184.0/21	🇩🇪 Germany	—

📧 MX Records#

1 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	gate.fla.de	31.209.187.34	gate.fla.de	AS56737 Stadtwerke Flensburg GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 243ms

TXT Record
v=spf1 mx ip4:31.17.176.170 ip4:31.209.187.35 a:gate.fla.de a:gate.flensborg-avis.de a:gate.fla.de a:kopano.ht-support.de a:mail.ht-support.net -all

✉️ SPF#

Policy	Record (becker-christensen.dk)
-all (hard fail)	v=spf1 mx ip4:31.17.176.170 ip4:31.209.187.35 a:gate.fla.de a:gate.flensborg-avis.de a:gate.fla.de a:kopano.ht-support.de a:mail.ht-support.net -all

📨 DMARC#

Policy	Record (_dmarc.becker-christensen.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@ht-support.net; ruf=mailto:dmarc@ht-support.net; fo=0:1

📬 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 2026-10-09 14:09:19

www	31.209.188.28 (AS56737) (address records, no CNAME)
www vs bare domain	Same network becker-christensen.dk: 31.209.188.28 (AS56737) www.becker-christensen.dk: 31.209.188.28 (AS56737)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

207ms

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

🏷️ SOA#

60ms

Field	Value
Serial	2020083002
Primary NS (MNAME)	nsa1.schlundtech.de
Responsible (RNAME)	jhansen@ht-support.de
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

61ms

55ms

60ms

AAAA

60ms

TXT

243ms

CAA

55ms

HTTPS

75ms

TLSA

76ms

SOA

60ms

MTA-STS

85ms

DNSSEC

207ms

SRV

0ms

Total

617ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:09:19	909ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-07 21:42:17	1074ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-29 19:02:45	831ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-26 10:46:33	10100ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-04 20:30:57	12533ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-29 16:40:15	1027ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-22 23:28:45	1222ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-21 14:36:12	1003ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 06:05:11	1167ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 14:14:18 shown	617ms	4 NS 1 A 1 MX	🔓 Insecure