barentz.dk

Records from scan: 2026-09-26 11:48:04 · 1712ms total · last checked 2026-10-16 08:29 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

barentz.dk is a .dk domain served by 4 nameservers (ns1.dn-s.nl, ns2.dn-s.nl, ns3.dn-s.nl and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.144.212.108 is hosted by Signet B.V. (AS20857) in The Netherlands. Mail is handled by barentz-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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#

4 records 63ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dn-s.nl	185.104.28.19 2a06:2ec0:1::10	ns1.zxcs.nl ns1.zxcs.nl	AS206281 Stichting DIGI NL AS206281 Stichting DIGI NL
ns2.dn-s.nl	2a03:b0c0:3:d0::116:2001 46.101.179.64	ns2.zxcs.nl ns2.zxcs.nl	AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC
ns3.dn-s.nl	178.62.208.8 2a03:b0c0:2:d0::57:1001	ns3.zxcs.nl ns3.zxcs.nl	AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC
ns4.dn-s.nl	185.220.172.14 2a06:2ec0:1:a::d53	ns.zxcs.de ns.zxcs.de	AS206281 Stichting DIGI NL AS206281 Stichting DIGI NL

🌍 A Records#

1 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
136.144.212.108	300s	parking.hostingserver.nl	AS20857	Signet B.V.	136.144.128.0/17	🇳🇱 The Netherlands	Groningen

📧 MX Records#

1 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	barentz-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca09::20 2a01:111:f403:ca09::26 2a01:111:f403:ca21::10 52.101.103.39 52.101.68.15 52.101.73.126 52.101.91.162	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr04cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	mail.hostingserver.nl → 89.41.169.107

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 111ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	mail.hostingserver.nl
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 327ms

TXT Record
v=spf1 include:_spf.premiumantispam.nl include:spf.barentz.nl include:spf.protection.outlook.com -all
XIBunnjBasVX1sg3ukG2PygijybpSuvPZk/mDEY92ztkw6ISdTAU58xB+bCb2DGQ9t0C5mUmJFpm4N+2TfPq/g==

✉️ SPF#

Policy	Record (barentz.dk)
-all (hard fail)	v=spf1 include:_spf.premiumantispam.nl include:spf.barentz.nl include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.barentz.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:alerts@secuba.pl,mailto:dmarc_agg@vali.email;

📬 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 2026-10-11 01:42:28

www	136.144.212.108 (AS20857) (address records, no CNAME)
www vs bare domain	Same network barentz.dk: 136.144.212.108 (AS20857) www.barentz.dk: 136.144.212.108 (AS20857)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-barentz-dk._domainkey.barentzcloud.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-barentz-dk._domainkey.barentzcloud.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

78ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2021010100
Primary NS (MNAME)	ns1.dn-s.nl
Responsible (RNAME)	hostmaster@barentz.dk
Refresh	600s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

63ms

55ms

68ms

AAAA

43ms

TXT

327ms

CAA

65ms

HTTPS

59ms

TLSA

798ms

SOA

0ms

MTA-STS

82ms

DNSSEC

78ms

SRV

111ms

Total

1712ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 11:48:04 shown	1712ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-26 04:55:25	1563ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-24 05:05:45	935ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 14:07:11	2781ms	4 NS 1 A 1 MX	🔓 Insecure