filterbyen.dk

📜 Historical scan 2026-06-17 09:41:46  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

filterbyen.dk is a .dk domain served by 2 nameservers (gabe.ns.cloudflare.com, lily.ns.cloudflare.com). It was registered on 12 October 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.12.199 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by filterbyen-dk.mail.protection.outlook.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
gabe.ns.cloudflare.com — — —
lily.ns.cloudflare.com — — —

🌍 A Records#

3 records   68ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.26.12.199 — — AS13335 Cloudflare, Inc. 104.26.0.0/20 — —
104.26.13.199 — — AS13335 Cloudflare, Inc. 104.26.0.0/20 — —
172.67.71.208 — — AS13335 Cloudflare, Inc. 172.67.64.0/18 — —

📧 MX Records#

1 records   72ms
PriorityTTLMail ServerIP addressesPTRASN
0 — filterbyen-dk.mail.protection.outlook.com 52.101.68.36
52.101.73.1
52.101.73.153
52.101.73.22		 mail-db5pr02cu00104.inbound.protection.outlook.com
mail-am3pr04cu00501.inbound.protection.outlook.com
mail-as8pr05cu00401.inbound.protection.outlook.com
mail-am7pr05cu00106.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

3 records   73ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:20::681a:cc7 — — AS13335 Cloudflare, Inc. 2606:4700:20:0:0:0:0:0/44 — —
2606:4700:20::681a:dc7 — — AS13335 Cloudflare, Inc. 2606:4700:20:0:0:0:0:0/44 — —
2606:4700:20::ac43:47d0 — — AS13335 Cloudflare, Inc. 2606:4700:20:0:0:0:0:0/44 — —

🔐 HTTPS Records#

1 records   73ms
PriorityTargetSvcParams
1 service . alpn="h2" ipv4hint=104.26.12.199,104.26.13.199,172.67.71.208 ipv6hint=2606:4700:20::681a:cc7,2606:4700:20::681a:dc7,2606:4700:20::ac43:47d0

📝 TXT Records#

3 records   161ms
TXT Record
klaviyo-site-verification=Sh3rZ2
MS=ms88403318
v=spf1 ip4:194.126.192.100 include:spf.protection.outlook.com include:spf.smartpack.dk include:send.heysender.com include:spf.protection.pagedesign.dk -all

✉️ SPF#

PolicyRecord (filterbyen.dk)
-all (hard fail) v=spf1 ip4:194.126.192.100 include:spf.protection.outlook.com include:spf.smartpack.dk include:send.heysender.com include:spf.protection.pagedesign.dk -all

📨 DMARC#

PolicyRecord (_dmarc.filterbyen.dk)
p=reject v=DMARC1; p=reject; pct=75; rua=mailto:watchdog@labtech.dk; fo=1

📬 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 2026-10-09 10:18:13
www104.26.12.199 104.26.13.199 172.67.71.208 2606:4700:20::681a:cc7 2606:4700:20::681a:dc7 2606:4700:20::ac43:47d0 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
selector1 selector1-filterbyen-dk._domainkey.u12k23n.onmicrosoft.com RSA · ~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: 4/10 · policy: -all

  • error include:spf.smartpack.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

198ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

68ms
FieldValue
Serial2404068130
Primary NS (MNAME)gabe.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-16 16:44:23
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2017-10-12
Expires2027-10-31 (375d)

🔗 Same registrant#

5 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
billig-stoevsugerposer.dkPunktum dk A/S (direct)
billig-støvsugerpose.dkDANDOMAIN A/S
billig-støvsugerposer.dkDANDOMAIN A/S
cool-abrasives.dkDANDOMAIN A/S
piist.dkCURANET A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
71ms
A
68ms
MX
72ms
AAAA
73ms
TXT
161ms
CAA
73ms
HTTPS
73ms
TLSA
491ms
SOA
68ms
MTA-STS
44ms
DNSSEC
198ms
SRV
0ms
Total
1194ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 10:18:13 1505ms 2 NS 3 A 1 MX 🔓 Insecure
2026-09-09 09:52:11 2416ms 2 NS 3 A 1 MX 🔓 Insecure
2026-09-05 16:45:19 2151ms 2 NS 3 A 1 MX 🔓 Insecure
2026-08-24 16:02:31 2969ms 2 NS 3 A 1 MX 🔓 Insecure
2026-08-07 12:44:46 1669ms 2 NS 3 A 1 MX 🔓 Insecure
2026-07-25 18:41:30 3686ms 2 NS 3 A 1 MX 🔓 Insecure
2026-07-11 05:48:23 4421ms 2 NS 3 A 1 MX 🔓 Insecure
2026-06-26 20:07:53 1130ms 2 NS 3 A 1 MX 🔓 Insecure
2026-06-26 02:47:43 1226ms 2 NS 3 A 1 MX 🔓 Insecure
2026-06-25 14:12:24 4381ms 2 NS 3 A 1 MX 🔓 Insecure
2026-06-24 23:48:55 1099ms 2 NS 3 A 1 MX 🔓 Insecure
2026-06-21 19:08:29 1036ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 09:41:46 shown 1194ms 2 NS 3 A 1 MX 🔓 Insecure
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