bymain.dk

📜 Historical scan 2026-06-28 23:18:10  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bymain.dk is a .dk domain served by 2 nameservers (neil.ns.cloudflare.com, suzanne.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.90.165 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   43ms

🌍 A Records#

2 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.90.165 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.158.50 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   45ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover93.191.156.201
🔶 Autoconfig104.21.90.165

🔷 AAAA Records (IPv6)#

2 records   37ms

🔐 HTTPS Records#

1 records   33ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.90.165,172.67.158.50 ech=AEX+DQBBagAgACCN81Oq7QY3JBBWVx2Pg10jnr7TMuv0OHtfrlMuSwKABQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:9e32,2606:4700:3037::6815:5aa5

🔌 SRV Records#

1 records   66ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

4 records   200ms
TXT Record
facebook-domain-verification=m4wdnrp0rvd1xitt42gnn0ucai33r9
google-site-verification=zZNwmAhJUIpNuumxeiVwZ76EqQ6z3zzZGXH7nF8bMjs
klaviyo-site-verification=WhYtWE
v=spf1 mx a include:spf.unoeuro.com ip4:185.163.189.0/24 include:spf.simply.com ~all

✉️ SPF#

PolicyRecord (bymain.dk)
~all (soft fail) v=spf1 mx a include:spf.unoeuro.com ip4:185.163.189.0/24 include:spf.simply.com ~all

📨 DMARC#

PolicyRecord (_dmarc.bymain.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 2026-10-10 02:18:22

✍️ DKIM keys#

1 found
SelectorCNAMEKey
mail — RSA · ~1024 bit below 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: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

2 records   63ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

83ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

33ms
FieldValue
Serial2407953413
Primary NS (MNAME)neil.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
43ms
A
45ms
MX
45ms
AAAA
37ms
TXT
200ms
CAA
43ms
HTTPS
33ms
TLSA
63ms
SOA
33ms
MTA-STS
59ms
DNSSEC
83ms
SRV
66ms
Total
967ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 22:30:55 658ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-27 14:18:59 682ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 13:48:28 1196ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-16 12:23:07 2104ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-09 09:30:18 2181ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-26 18:32:48 568ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-22 22:06:57 1226ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-05 21:50:11 1547ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-28 23:18:10 shown 967ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-26 21:42:25 1853ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-23 00:07:28 794ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-21 22:22:29 636ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-20 02:26:26 738ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-19 22:02:03 5009ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 18:25:59 656ms 2 NS 2 A 1 MX 🔓 Insecure
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