biesterfeld-spezialchemie.dk

📜 Historical scan 2026-06-26 06:37:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

biesterfeld-spezialchemie.dk is a .dk domain served by 2 nameservers (ns1.telekom-domains.de, ns2.telekom-domains.de). It was registered on 2 March 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.227.98.76 is hosted by Biesterfeld SE (AS200978) in Germany. 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 189ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.telekom-domains.de	2003:2:6:137:80:157:195:92 80.157.195.92	— —	AS3320 Deutsche Telekom AG AS3320 Deutsche Telekom AG
ns2.telekom-domains.de	2003:180:a::53 212.185.24.1	ns2.telekom-domains.de ns2.telekom-domains.de	AS3320 Deutsche Telekom AG AS3320 Deutsche Telekom AG

🌍 A Records#

1 records 175ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.227.98.76	40000s	rewrites.bit-serv.de	AS200978	Biesterfeld SE	91.227.98.0/23	🇩🇪 Germany	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-09 12:28:54

www	91.227.98.76 (AS200978) (address records, no CNAME)
www vs bare domain	Same network biesterfeld-spezialchemie.dk: 91.227.98.76 (AS200978) www.biesterfeld-spezialchemie.dk: 91.227.98.76 (AS200978)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

535ms

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

🏷️ SOA#

195ms

Field	Value
Serial	2023090101
Primary NS (MNAME)	ns1.telekom-domains.de
Responsible (RNAME)	dns@telekom.de
Refresh	10800s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	43200s

📋 Registration#

WHOIS fetched 2026-10-13 12:50:50

Field	Value
Registrar	Deutsche Telekom AG
Registered	2011-03-02
Expires	2027-03-31 (163d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

189ms

175ms

215ms

AAAA

243ms

TXT

609ms

CAA

203ms

HTTPS

288ms

TLSA

672ms

SOA

195ms

MTA-STS

244ms

DNSSEC

535ms

SRV

271ms

Total

1767ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 05:14:35	697ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-26 19:56:40	708ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-26 06:37:31 shown	1767ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-16 14:29:41	524ms	2 NS 1 A 0 MX	🔒 Secure