bymain.dk

📜 Historical scan 2026-06-19 22:02:03  ·  ← 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   71ms
NameserverIP addressesPTRASN / ISP
neil.ns.cloudflare.com 108.162.193.211
172.64.33.211
173.245.59.211
2606:4700:58::adf5:3bd3
2803:f800:50::6ca2:c1d3
2a06:98c1:50::ac40:21d3		 neil.ns.cloudflare.com
neil.ns.cloudflare.com
neil.ns.cloudflare.com
neil.ns.cloudflare.com
neil.ns.cloudflare.com
neil.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
suzanne.ns.cloudflare.com 108.162.194.87
162.159.38.87
172.64.34.87
2606:4700:50::a29f:2657
2803:f800:50::6ca2:c257
2a06:98c1:50::ac40:2257		 suzanne.ns.cloudflare.com
suzanne.ns.cloudflare.com
suzanne.ns.cloudflare.com
suzanne.ns.cloudflare.com
suzanne.ns.cloudflare.com
suzanne.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   78ms
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   43ms
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
🔶 Autoconfig172.67.158.50

🔷 AAAA Records (IPv6)#

2 records   68ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::ac43:9e32 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:5aa5 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   67ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.90.165,172.67.158.50 ech=AEX+DQBBBQAgACAVsMpmgZ3l/SMtYfyeo5fqitS5TdYk2W+6eZ/m+mH/YgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:9e32,2606:4700:3037::6815:5aa5

🔌 SRV Records#

1 records   4049ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

3 records   255ms
TXT Record
facebook-domain-verification=m4wdnrp0rvd1xitt42gnn0ucai33r9
google-site-verification=zZNwmAhJUIpNuumxeiVwZ76EqQ6z3zzZGXH7nF8bMjs
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
www104.21.90.165 172.67.158.50 2606:4700:3033::6815:5aa5 2606:4700:3037::ac43:9e32 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

✍️ 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   92ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

164ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

37ms
FieldValue
Serial2406302817
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
71ms
A
78ms
MX
43ms
AAAA
68ms
TXT
255ms
CAA
53ms
HTTPS
67ms
TLSA
92ms
SOA
37ms
MTA-STS
99ms
DNSSEC
164ms
SRV
4049ms
Total
5009ms

🕐 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 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 shown 5009ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 18:25:59 656ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone