estron.dk

📜 Historical scan 2026-06-17 08:26:31  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

estron.dk is a .dk domain served by 2 nameservers (kanye.ns.cloudflare.com, lisa.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.0.85 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by estron-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   22ms
NameserverIP addressesPTRASN / ISP
kanye.ns.cloudflare.com — — —
lisa.ns.cloudflare.com — — —

🌍 A Records#

3 records   22ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.26.0.85 — — AS13335 Cloudflare, Inc. 104.26.0.0/20 — —
104.26.1.85 — — AS13335 Cloudflare, Inc. 104.26.0.0/20 — —
172.67.75.7 — — AS13335 Cloudflare, Inc. 172.67.64.0/18 — —

📧 MX Records#

1 records   21ms
PriorityTTLMail ServerIP addressesPTRASN
10 — estron-dk.mail.protection.outlook.com 52.101.68.39
52.101.73.1
52.101.73.12
52.101.73.19		 mail-db7pr03cu00607.inbound.protection.outlook.com
mail-am3pr04cu00501.inbound.protection.outlook.com
mail-am4pr0401cu00104.inbound.protection.outlook.com
mail-as8pr04cu00803.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

3 records   21ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:20::681a:155 — — AS13335 Cloudflare, Inc. 2606:4700:20:0:0:0:0:0/44 — —
2606:4700:20::681a:55 — — AS13335 Cloudflare, Inc. 2606:4700:20:0:0:0:0:0/44 — —
2606:4700:20::ac43:4b07 — — AS13335 Cloudflare, Inc. 2606:4700:20:0:0:0:0:0/44 — —

🔐 HTTPS Records#

1 records   22ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.26.0.85,104.26.1.85,172.67.75.7 ech=AEX+DQBBDgAgACDzCpMlW2zuKCEyF31MigmBsD2TewLMErZT4gaCsNerPwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:20::681a:55,2606:4700:20::681a:155,2606:4700:20::ac43:4b07

📝 TXT Records#

4 records   133ms
TXT Record
_globalsign-domain-verification=oEAqA66BYDPxos0NVKXHwi1nLrFgybPCrQGTBqdwN4
google-site-verification=ria5NlYrlhY64W8fxFMnQM6YZTVS5hr2nVzlljBlcK0
MS=ms80257796
v=spf1 include:spf.protection.outlook.com include:_spf.online.superoffice.com include:mailgun.org a:smtp02.sotea.dk -all

✉️ SPF#

PolicyRecord (estron.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com include:_spf.online.superoffice.com include:mailgun.org a:smtp02.sotea.dk -all

📨 DMARC#

PolicyRecord (_dmarc.estron.dk)
p=none (monitor only) v=DMARC1; p=none; pct=100; rua=mailto:re+ji1ytmtlzjq@dmarc.postmarkapp.com,mailto:dmarc_agg@vali.email; sp=none; aspf=r;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

12 records   24ms
FlagsTagValue
0 issue comodoca.com
0 issue digicert.com; cansignhttpexchanges=yes
0 issue globalsign.com
0 issue letsencrypt.org
0 issue pki.goog; cansignhttpexchanges=yes
0 issue ssl.com
0 issuewild comodoca.com
0 issuewild digicert.com; cansignhttpexchanges=yes
0 issuewild globalsign.com
0 issuewild letsencrypt.org
0 issuewild pki.goog; cansignhttpexchanges=yes
0 issuewild ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 05:37:34
www104.26.0.85 104.26.1.85 172.67.75.7 2606:4700:20::681a:155 2606:4700:20::681a:55 2606:4700:20::ac43:4b07 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

4 found
SelectorCNAMEKey
s1 s1.domainkey.u5655823.wl074.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u5655823.wl074.sendgrid.net RSA · ~1024 bit below 2048 bit
selector1 selector1-estron-dk._domainkey.estronas.onmicrosoft.com RSA · ~1024 bit below 2048 bit
selector2 selector2-estron-dk._domainkey.estronas.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: 9/10 · policy: -all

  • warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

86ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

20ms
FieldValue
Serial2406743408
Primary NS (MNAME)kanye.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
22ms
A
22ms
MX
21ms
AAAA
21ms
TXT
133ms
CAA
24ms
HTTPS
22ms
TLSA
164ms
SOA
20ms
MTA-STS
31ms
DNSSEC
86ms
SRV
0ms
Total
877ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-01 00:14:27 787ms 2 NS 3 A 1 MX 🔓 Insecure
2026-09-28 01:50:53 2355ms 2 NS 3 A 1 MX 🔓 Insecure
2026-09-27 01:33:50 1157ms 2 NS 3 A 1 MX 🔓 Insecure
2026-09-26 01:19:10 1873ms 2 NS 3 A 1 MX 🔓 Insecure
2026-09-08 03:42:28 2828ms 2 NS 3 A 1 MX 🔓 Insecure
2026-08-27 16:19:32 1393ms 2 NS 3 A 1 MX 🔓 Insecure
2026-08-25 13:15:44 2578ms 2 NS 3 A 1 MX 🔓 Insecure
2026-08-02 23:21:21 1898ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-29 23:12:07 4177ms 2 NS 3 A 1 MX 🔓 Insecure
2026-07-24 21:37:00 10497ms 2 NS 3 A 1 MX 🔓 Insecure
2026-07-21 14:30:00 3085ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-11 00:10:49 1815ms 2 NS 3 A 1 MX 🔓 Insecure
2026-06-29 19:07:24 1693ms 2 NS 3 A 1 MX 🔓 Insecure
2026-06-17 08:26:31 shown 877ms 2 NS 3 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone