bymain.dk

📜 Historical scan 2026-09-16 12:23:07  ·  ← 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   149ms
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   139ms
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   125ms
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   142ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3033::6815:5aa5 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:9e32 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   138ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.90.165,172.67.158.50 ech=AEX+DQBBxQAgACDZYtsrsnwgL2kxPWv6KIsSBeTxFuRIfudQUPoeZcRLKAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5aa5,2606:4700:3037::ac43:9e32

🔌 SRV Records#

1 records   140ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

4 records   277ms
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
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

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.bymain.dk nW4mS4vr9rK-yDELoAigFejk0hYhxZyUvqBojTbNNOc
TXT _acme-challenge.bymain.dk u8WA1auAEXJ-JixZaaDIlD3tL_ip6Zty046o5zRACLA

🔗 TLSA / DANE#

2 records   827ms
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#

179ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415037918
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
149ms
A
139ms
MX
125ms
AAAA
142ms
TXT
277ms
CAA
96ms
HTTPS
138ms
TLSA
827ms
SOA
0ms
MTA-STS
146ms
DNSSEC
179ms
SRV
140ms
Total
2104ms

🕐 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 shown 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 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