byaylin.dk

📜 Historical scan 2026-10-02 10:11:22  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byaylin.dk is a .dk domain served by 2 nameservers (khalid.ns.cloudflare.com, princess.ns.cloudflare.com). It was registered on 29 August 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.88.46 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   51ms
NameserverIP addressesPTRASN / ISP
khalid.ns.cloudflare.com 108.162.195.53
162.159.44.53
172.64.35.53
2606:4700:58::a29f:2c35
2803:f800:50::6ca2:c335
2a06:98c1:50::ac40:2335		 khalid.ns.cloudflare.com
khalid.ns.cloudflare.com
khalid.ns.cloudflare.com
khalid.ns.cloudflare.com
khalid.ns.cloudflare.com
khalid.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
princess.ns.cloudflare.com 108.162.194.17
162.159.38.17
172.64.34.17
2606:4700:50::a29f:2611
2803:f800:50::6ca2:c211
2a06:98c1:50::ac40:2211		 princess.ns.cloudflare.com
princess.ns.cloudflare.com
princess.ns.cloudflare.com
princess.ns.cloudflare.com
princess.ns.cloudflare.com
princess.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   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.88.46 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.172.139 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx1.onlinemail.io 185.21.42.12 mx1.onlinemail.io AS48854 team.blue Denmark A/S
20 300s mx2.onlinemail.io 46.36.208.16 mx2.onlinemail.io AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfigautoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

2 records   39ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:ac8b 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3032::6815:582e 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   39ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.88.46,172.67.172.139 ech=AEX+DQBB/AAgACBpBkJcnPfGknMoBOPEoOI5hVbW5T9pXET7lGEHrG0PcQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:ac8b,2606:4700:3032::6815:582e

📝 TXT Records#

1 records   236ms
TXT Record
v=spf1 include:spf.onlinemail.io ip4:157.180.10.60 -all

✉️ SPF#

PolicyRecord (byaylin.dk)
-all (hard fail) v=spf1 include:spf.onlinemail.io ip4:157.180.10.60 -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#

latest probe, not this scan · checked 2026-10-08 15:54:59
www104.21.88.46 172.67.172.139 2606:4700:3030::ac43:ac8b 2606:4700:3032::6815:582e (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.byaylin.dk MSoa0WPKXF5ivgiilny6itrmC4wFQBD7lS9zZLdYXkM
TXT _acme-challenge.byaylin.dk ckUIta26XRcm2-lA-7H3d7PBWCz0v3hgHnu86ZviDNE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

55ms
FieldValue
Serial2416414342
Primary NS (MNAME)khalid.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-15 22:41:03
FieldValue
RegistrarCURANET A/S
Registered2025-08-29
Expires2027-08-28 (312d)

🔗 Same registrant#

6 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).

DomainRegistrar
bilapi.dkCURANET A/S
bonzosandwich.dkCURANET A/S
ellakebab.dkCURANET A/S
hosibofrisoer.dkCURANET A/S
pizzakebabikast.dkCURANET A/S
trustlink.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
51ms
A
47ms
MX
39ms
AAAA
39ms
TXT
236ms
CAA
32ms
HTTPS
39ms
TLSA
60ms
SOA
55ms
MTA-STS
43ms
DNSSEC
80ms
SRV
79ms
Total
510ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-03 10:14:48 1703ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-02 10:11:22 shown 510ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-25 08:37:17 485ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-11 14:10:20 506ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-26 10:53:16 553ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-25 16:05:08 677ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-16 18:17:48 4993ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-16 18:04:26 1541ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-16 18:02:55 372ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-16 18:01:05 616ms 2 NS 1 A 2 MX 🔒 Secure
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