esero.dk

📜 Historical scan 2026-08-27 17:59:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

esero.dk is a .dk domain served by 4 nameservers (ns-1469.awsdns-55.org, ns-1723.awsdns-23.co.uk, ns-274.awsdns-34.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.135.42 is hosted by Cloudflare, Inc. (AS13335) in United States. Mail is handled by mx1.improvmx.com, mx2.improvmx.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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#

4 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1469.awsdns-55.org	205.251.197.189 2600:9000:5305:bd00::1	ns-1469.awsdns-55.org ns-1469.awsdns-55.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1723.awsdns-23.co.uk	205.251.198.187 2600:9000:5306:bb00::1	ns-1723.awsdns-23.co.uk ns-1723.awsdns-23.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-274.awsdns-34.com	205.251.193.18 2600:9000:5301:1200::1	ns-274.awsdns-34.com ns-274.awsdns-34.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-535.awsdns-02.net	205.251.194.23 2600:9000:5302:1700::1	ns-535.awsdns-02.net ns-535.awsdns-02.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

1 records 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.135.42	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records#

2 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	3600s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 284ms

TXT Record
google-site-verification=X5Ye2pAYMaIPEwi8OZmYh2hVAXBhQYnj-54iMFtWHbM
v=spf1 include:spf.improvmx.com ~all

✉️ SPF#

Policy	Record (esero.dk)
~all (soft fail)	v=spf1 include:spf.improvmx.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-07 23:00:36

www CNAME	esero.dk (all on esero.dk) → 162.159.135.42 (AS13335)
www vs bare domain	Same network esero.dk: 162.159.135.42 (AS13335) www.esero.dk: 162.159.135.42 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.esero.dk	esero.dk.kinstavalidation.app

🔗 TLSA / DANE#

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

🔐 DNSSEC#

82ms

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	1
Primary NS (MNAME)	ns-274.awsdns-34.com
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

57ms

65ms

59ms

AAAA

56ms

TXT

284ms

CAA

65ms

HTTPS

60ms

TLSA

61ms

SOA

0ms

MTA-STS

75ms

DNSSEC

82ms

SRV

95ms

Total

3184ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 14:16:27	3181ms	4 NS 1 A 2 MX	🔓 Insecure
2026-08-27 17:59:29 shown	3184ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-18 14:35:59	1189ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-17 08:25:54	624ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-17 08:20:16	744ms	4 NS 1 A 2 MX	🔓 Insecure