byensrengoering.dk

Records from scan: 2026-09-23 23:21:32 · 613ms total · last checked 2026-10-20 20:05 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byensrengoering.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.81.162 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 69ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.81.162	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.145.5	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

2 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:51a2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:9105	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 41ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.81.162,172.67.145.5 ech=AEX+DQBB5QAgACAHha7AL9daEAh51j9786b+IrKaiWBNpCk/mflX79/TYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:51a2,2606:4700:3035::ac43:9105

📝 TXT Records#

1 records 194ms

TXT Record
v=spf1 include:_spf.google.com include:spf.simply.com include:spf.curanet.dk -all

✉️ SPF#

Policy	Record (byensrengoering.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:spf.simply.com include:spf.curanet.dk -all

📨 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 2026-10-08 13:40:10

www	104.21.81.162 172.67.145.5 2606:4700:3034::6815:51a2 2606:4700:3035::ac43:9105 (AS13335) (address records, no CNAME)
www vs bare domain	Same network byensrengoering.dk: 104.21.81.162 172.67.145.5 2606:4700:3034::6815:51a2 2606:4700:3035::ac43:9105 (AS13335) www.byensrengoering.dk: 104.21.81.162 172.67.145.5 2606:4700:3034::6815:51a2 2606:4700:3035::ac43:9105 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

104ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414115951
Primary NS (MNAME)	barbara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

69ms

36ms

48ms

AAAA

50ms

TXT

194ms

CAA

37ms

HTTPS

41ms

TLSA

71ms

SOA

0ms

MTA-STS

83ms

DNSSEC

104ms

SRV

68ms

Total

613ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 23:21:32 shown	613ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-13 20:34:34	645ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-06 06:43:42	639ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-09 06:36:40	3612ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-27 12:14:22	1266ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-26 05:53:35	1444ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-16 18:10:36	538ms	4 NS 1 A 2 MX	🔒 Secure