estron.dk

📜 Historical scan 2026-07-21 14:30:00 · ← 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 188.114.96.1 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 52ms

Nameserver	IP addresses	PTR	ASN / ISP
kanye.ns.cloudflare.com	108.162.193.189 172.64.33.189 173.245.59.189 2606:4700:58::adf5:3bbd 2803:f800:50::6ca2:c1bd 2a06:98c1:50::ac40:21bd	kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lisa.ns.cloudflare.com	108.162.192.131 172.64.32.131 173.245.58.131 2606:4700:50::adf5:3a83 2803:f800:50::6ca2:c083 2a06:98c1:50::ac40:2083	lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.114.96.1	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—
188.114.97.1	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—

📧 MX Records#

1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	estron-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::20 2a01:111:f403:ca09::e 2a01:111:f403:ca09::f 52.101.73.1 52.101.73.153 52.101.73.2 52.101.73.26	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136

🔷 AAAA Records (IPv6)#

2 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBNAAgACDWE5Ouo0qS2x4fx6qCiE7xBM2IRX8xfaHcaxap1ZEJCwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

🔌 SRV Records#

1 records 85ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

5 records 194ms

TXT Record
_globalsign-domain-verification=oEAqA66BYDPxos0NVKXHwi1nLrFgybPCrQGTBqdwN4
_globalsign-domain-verification=pkDd3_WoBGiBMVboQ-CfPzLJScb7R4BA6SX7NJDI4c
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#

Policy	Record (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#

Policy	Record (_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 47ms

Flags	Tag	Value
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

www	104.26.0.85 104.26.1.85 172.67.75.7 2606:4700:20::681a:155 2606:4700:20::681a:55 2606:4700:20::ac43:4b07 (AS13335) (address records, no CNAME)
www vs bare domain	Same network estron.dk: 104.26.0.85 104.26.1.85 172.67.75.7 2606:4700:20::681a:155 (AS13335) www.estron.dk: 104.26.0.85 104.26.1.85 172.67.75.7 2606:4700:20::681a:155 (AS13335)
Wildcard	No

✍️ DKIM keys#

4 found

Selector	CNAME	Key
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#

125ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2410105087
Primary NS (MNAME)	kanye.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

52ms

46ms

53ms

AAAA

55ms

TXT

194ms

CAA

47ms

HTTPS

44ms

TLSA

1151ms

SOA

0ms

MTA-STS

72ms

DNSSEC

125ms

SRV

85ms

Total

3085ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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 shown	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	877ms	2 NS 3 A 1 MX	🔓 Insecure