bythorlak.dk

📜 Historical scan 2026-10-21 12:33:19  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bythorlak.dk is a .dk domain served by 2 nameservers (mcgrory.ns.cloudflare.com, zariyah.ns.cloudflare.com). It was registered on 8 May 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.86.130 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, publishes a 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   30ms
NameserverIP addressesPTRASN / ISP
mcgrory.ns.cloudflare.com 108.162.195.170
162.159.44.170
172.64.35.170
2606:4700:58::a29f:2caa
2803:f800:50::6ca2:c3aa
2a06:98c1:50::ac40:23aa		 mcgrory.ns.cloudflare.com
mcgrory.ns.cloudflare.com
mcgrory.ns.cloudflare.com
mcgrory.ns.cloudflare.com
mcgrory.ns.cloudflare.com
mcgrory.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
zariyah.ns.cloudflare.com 108.162.194.72
162.159.38.72
172.64.34.72
2606:4700:50::a29f:2648
2803:f800:50::6ca2:c248
2a06:98c1:50::ac40:2248		 zariyah.ns.cloudflare.com
zariyah.ns.cloudflare.com
zariyah.ns.cloudflare.com
zariyah.ns.cloudflare.com
zariyah.ns.cloudflare.com
zariyah.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   25ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.86.130 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.220.48 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   33ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.103.108
94.231.106.20		 mx.simply.com
mx.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.86.130
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   37ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3033::6815:5682 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::ac43:dc30 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   24ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.86.130,172.67.220.48 ech=AEX+DQBBIQAgACANTzMPTJe0FGl0xeB5tPf0i6TIfXIQ8nGeYzVQ6WA0WwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5682,2606:4700:3035::ac43:dc30

📝 TXT Records#

1 records   163ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (bythorlak.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

PolicyRecord (_dmarc.bythorlak.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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 2026-10-22 16:14:16
www104.21.86.130 172.67.220.48 2606:4700:3033::6815:5682 2606:4700:3035::ac43:dc30 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.bythorlak.dk WzNm6OMj13ZIyvWwm-ydfP9HEczYGEjfyFO5X9OivtE

🔗 TLSA / DANE#

2 records   56ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

95ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

27ms
FieldValue
Serial2417810243
Primary NS (MNAME)mcgrory.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-15 09:59:34
FieldValue
RegistrarSimply.com A/S
Registered2025-05-08
Expires2027-05-07 (195d)

🔗 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#

NS
30ms
A
25ms
MX
33ms
AAAA
37ms
TXT
163ms
CAA
22ms
HTTPS
24ms
TLSA
56ms
SOA
27ms
MTA-STS
52ms
DNSSEC
95ms
SRV
68ms
Total
637ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 16:14:16 601ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-21 12:33:19 shown 637ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-18 17:00:59 582ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-25 14:17:29 1807ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-23 13:23:56 3047ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-21 12:42:04 1060ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-20 11:55:25 7080ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-18 03:53:50 4500ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-15 17:04:07 1124ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-14 01:13:08 3004ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-26 03:53:36 751ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 18:37:49 1681ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 18:30:27 474ms 2 NS 2 A 1 MX 🔓 Insecure
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