tech-chem.dk

Records from scan: 2026-10-22 03:29:14 · 997ms total · last checked 2026-10-23 10:17 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tech-chem.dk is a .dk domain served by 2 nameservers (ns1.bytebob.com, ns2.bytebob.com). It was registered on 18 November 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 79.170.44.135 is hosted by Heart Internet limited (AS20738) in United Kingdom. Mail is handled by mail.tech-chem.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bytebob.com	79.170.40.2	ns1.mainnameserver.com	AS20738 Heart Internet limited
ns2.bytebob.com	79.170.43.3	ns2.mainnameserver.com	AS20738 Heart Internet limited

🌍 A Records#

1 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
79.170.44.135	3600s	web135.extendcp.co.uk	AS20738	Heart Internet limited	79.170.40.0/21	🇬🇧 United Kingdom	Leeds

📧 MX Records#

1 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.tech-chem.dk	79.170.44.34	mail34.extendcp.co.uk	AS20738 Heart Internet limited

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	79.170.44.135
🔶 Autoconfig	79.170.44.135

🔷 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#

checked 2026-10-22 03:29:14

www	79.170.44.135 2a02:fe80:1010::9:4 (AS20738 AS30148) (address records, no CNAME)
www vs bare domain	Same network tech-chem.dk: 79.170.44.135 (AS20738) www.tech-chem.dk: 79.170.44.135 2a02:fe80:1010::9:4 (AS20738 AS30148)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

128ms

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

🏷️ SOA#

110ms

Field	Value
Serial	2018053048
Primary NS (MNAME)	ns1.bytebob.com
Responsible (RNAME)	hostmaster@mainnameserver.com
Refresh	10800s
Retry	600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-15 14:13:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-11-18
Expires	2026-11-30 (37d)

🔗 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#

62ms

58ms

63ms

AAAA

60ms

TXT

443ms

CAA

51ms

HTTPS

58ms

TLSA

163ms

SOA

110ms

MTA-STS

95ms

DNSSEC

128ms

SRV

134ms

Total

997ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 03:29:14 shown	997ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-29 15:08:16	1446ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-02 13:46:55	1006ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 18:52:16	3076ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 13:29:02	1103ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 15:25:52	1250ms	2 NS 1 A 1 MX	🔓 Insecure