eser.dk

📜 Historical scan 2026-09-23 13:21:06  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

eser.dk is a .dk domain served by 2 nameservers (donna.ns.cloudflare.com, justin.ns.cloudflare.com). It was registered on 25 March 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.111 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.hostinger.com, mx2.hostinger.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   39ms
NameserverIP addressesPTRASN / ISP
donna.ns.cloudflare.com 108.162.192.151
172.64.32.151
173.245.58.151
2606:4700:50::adf5:3a97
2803:f800:50::6ca2:c097
2a06:98c1:50::ac40:2097		 donna.ns.cloudflare.com
donna.ns.cloudflare.com
donna.ns.cloudflare.com
donna.ns.cloudflare.com
donna.ns.cloudflare.com
donna.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com 108.162.193.187
172.64.33.187
173.245.59.187
2606:4700:58::adf5:3bbb
2803:f800:50::6ca2:c1bb
2a06:98c1:50::ac40:21bb		 justin.ns.cloudflare.com
justin.ns.cloudflare.com
justin.ns.cloudflare.com
justin.ns.cloudflare.com
justin.ns.cloudflare.com
justin.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   44ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.37.111 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.207.135 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
5 300s mx1.hostinger.com 172.65.182.103
2606:4700:90:0:c1f8:f874:2386:b61f		 —
—		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
10 300s mx2.hostinger.com 172.65.182.103
2606:4700:90:0:c1f8:f874:2386:b61f		 —
—		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

2 records   30ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::ac43:cf87 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:256f 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   49ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.37.111,172.67.207.135 ech=AEX+DQBBSwAgACD11o6crS/bLU3TWG3c5Ae/Qe5+Db736R+swrunvTY7YwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:cf87,2606:4700:3037::6815:256f

📝 TXT Records#

1 records   208ms
TXT Record
v=spf1 include:_spf.mail.hostinger.com ~all

✉️ SPF#

PolicyRecord (eser.dk)
~all (soft fail) v=spf1 include:_spf.mail.hostinger.com ~all

📨 DMARC#

PolicyRecord (_dmarc.eser.dk)
p=none (monitor only) v=DMARC1; p=none

📬 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 2026-10-16 07:21:25
wwwNXDOMAIN
www vs bare domainwww does not resolve (all like this)
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.eser.dk ILELe0B2Zdk_UDbYi5jjXlvoc6MXuCmXDPryj94fr2I
TXT _acme-challenge.eser.dk S2AxejJ7KtaCLT1u0s97TnxuODAugM9wHaFl58pGL9s

🔗 TLSA / DANE#

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

🔐 DNSSEC#

134ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415544704
Primary NS (MNAME)donna.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-15 06:07:14
FieldValue
RegistrarONE.COM A/S
Registered2023-03-25
Expires2027-03-24 (157d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
44ms
MX
38ms
AAAA
30ms
TXT
208ms
CAA
37ms
HTTPS
49ms
TLSA
117ms
SOA
0ms
MTA-STS
72ms
DNSSEC
134ms
SRV
85ms
Total
930ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 07:21:25 536ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-15 05:38:49 515ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-29 16:30:22 626ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-24 16:05:19 1247ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-24 13:46:53 719ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-23 13:21:06 shown 930ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-08 05:03:48 594ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-01 17:00:46 761ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-18 05:34:07 4040ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-25 12:49:26 1247ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-20 02:21:59 417ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-20 00:50:22 632ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-17 08:22:58 443ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-17 08:20:59 939ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-17 08:20:43 1114ms 2 NS 2 A 2 MX 🔓 Insecure
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