biersys.dk

📜 Historical scan 2026-06-20 15:54:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

biersys.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 16 August 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.3.142.70 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx.biersys.dk. The zone is DNSSEC-signed and validates, 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 146ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records#

1 records 103ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.3.142.70	600s	—	AS3292	TDC Holding A/S	193.3.142.0/24	🇩🇰 Denmark	Søborg

📧 MX Records#

1 records 106ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	21600s	mx.biersys.dk	195.215.5.87	—	AS3292 TDC Holding A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 517ms

TXT Record
v=spf1 ip4:193.3.142.70 -all

✉️ SPF#

Policy	Record (biersys.dk)
-all (hard fail)	v=spf1 ip4:193.3.142.70 -all

📨 DMARC#

Policy	Record (_dmarc.biersys.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; fo=1; rua=mailto:cv1zdpyr@ag.eu.dmarcian.com; ruf=mailto:cv1zdpyr@fr.eu.dmarcian.com;

📬 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 2026-10-12 00:24:49

www	195.215.5.87 (AS3292) (address records, no CNAME)
www vs bare domain	Same network biersys.dk: 193.3.142.70 (AS3292) www.biersys.dk: 195.215.5.87 (AS3292)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

311ms

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

🏷️ SOA#

110ms

Field	Value
Serial	2026011627
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-09 20:58:32

Field	Value
Registrar	Eurodns S.A
Registered	2002-08-16
Expires	2027-09-30 (340d)

📋 WHOIS#

⏱️ Lookup Timing#

146ms

103ms

106ms

AAAA

103ms

TXT

517ms

CAA

154ms

HTTPS

124ms

TLSA

137ms

SOA

110ms

MTA-STS

131ms

DNSSEC

311ms

SRV

168ms

Total

1259ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 00:24:49	2261ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-10 22:15:41	554ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-07 15:01:09	644ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-25 03:10:59	701ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-24 02:24:02	1903ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-22 12:02:24	765ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-05 07:34:45	2092ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-31 11:00:08	845ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 18:19:15	891ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-17 21:22:47	3059ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-16 06:59:31	6857ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-29 19:37:28	9731ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-28 06:12:40	11715ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-14 13:57:55	13734ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-10 00:33:55	964ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-23 18:10:38	903ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-21 08:54:50	2690ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-21 04:42:04	2009ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-20 15:54:28 shown	1259ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-19 23:50:08	3800ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 14:29:34	1248ms	4 NS 1 A 1 MX	🔒 Secure