esn-dtu.dk

Records from scan: 2026-10-22 00:57:40  ·  699ms total
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

esn-dtu.dk is a .dk domain served by 2 nameservers (cloe.ns.cloudflare.com, ed.ns.cloudflare.com). It was registered on 13 September 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.23.60 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   33ms
NameserverIP addressesPTRASN / ISP
cloe.ns.cloudflare.com 108.162.192.86
172.64.32.86
173.245.58.86
2606:4700:50::adf5:3a56
2803:f800:50::6ca2:c056
2a06:98c1:50::ac40:2056		 cloe.ns.cloudflare.com
cloe.ns.cloudflare.com
cloe.ns.cloudflare.com
cloe.ns.cloudflare.com
cloe.ns.cloudflare.com
cloe.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ed.ns.cloudflare.com 108.162.193.111
172.64.33.111
173.245.59.111
2606:4700:58::adf5:3b6f
2803:f800:50::6ca2:c16f
2a06:98c1:50::ac40:216f		 ed.ns.cloudflare.com
ed.ns.cloudflare.com
ed.ns.cloudflare.com
ed.ns.cloudflare.com
ed.ns.cloudflare.com
ed.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   28ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.23.60 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.209.114 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

5 records   34ms
PriorityTTLMail ServerIP addressesPTRASN
1 300s aspmx.l.google.com 2a00:1450:4010:c01::1a
2a00:1450:4010:c01::1a
64.233.162.27		 lh-in-f26.1e100.net
lh-in-x1a.1e100.net
li-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
5 300s alt1.aspmx.l.google.com 192.178.158.27
2404:6800:4013:813::1b		 lcdels-in-f27.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 300s alt2.aspmx.l.google.com 173.194.41.27
173.194.41.27
2404:6800:4001:c01::1b		 mad01s14-in-f27.1e100.net
yukulwh-in-f27.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
10 300s alt3.aspmx.l.google.com 172.253.158.27
2404:6800:4003:c26::1b		 so-in-f27.1e100.net
so-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 300s alt4.aspmx.l.google.com 108.177.125.26
2404:6800:4008:c01::1a		 tp-in-f26.1e100.net
tp-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records   27ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3034::6815:173c 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3034::ac43:d172 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   33ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.23.60,172.67.209.114 ech=AEX+DQBBwwAgACBWsgAkONUSzcIOieAd82NhsPUyOjw0lnuJR7KZyKStDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:173c,2606:4700:3034::ac43:d172

📝 TXT Records#

1 records   135ms
TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

PolicyRecord (esn-dtu.dk)
~all (soft fail) v=spf1 include:_spf.google.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#

checked 2026-10-22 00:57:40
www104.21.23.60 172.67.209.114 2606:4700:3034::6815:173c 2606:4700:3034::ac43:d172 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

91ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

41ms
FieldValue
Serial2416974338
Primary NS (MNAME)cloe.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-09 16:44:48
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2011-09-13
Expires2027-07-31 (281d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
33ms
A
28ms
MX
34ms
AAAA
27ms
TXT
135ms
CAA
24ms
HTTPS
33ms
TLSA
100ms
SOA
41ms
MTA-STS
43ms
DNSSEC
91ms
SRV
43ms
Total
699ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 00:57:40 shown 699ms 2 NS 2 A 5 MX 🔓 Insecure
2026-10-09 21:55:11 564ms 2 NS 2 A 5 MX 🔓 Insecure
2026-09-28 04:01:27 10074ms 2 NS 2 A 5 MX 🔓 Insecure
2026-09-14 15:58:25 3968ms 2 NS 2 A 5 MX 🔓 Insecure
2026-09-06 10:34:37 1574ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-26 21:59:39 819ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-24 07:11:29 4032ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-19 21:01:48 3018ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-18 20:46:31 6093ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-17 02:25:15 1640ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-14 15:35:19 10469ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-12 17:04:58 3069ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-10 17:53:04 7823ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-03 20:39:45 16508ms 1 NS 0 A 0 MX ❓ Unknown
2026-06-21 12:08:14 3515ms 2 NS 2 A 5 MX 🔓 Insecure
2026-06-21 05:47:45 1056ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 16:47:32 853ms 2 NS 2 A 5 MX 🔓 Insecure
2026-06-19 22:00:38 756ms 2 NS 2 A 5 MX 🔓 Insecure
2026-06-17 08:25:05 517ms 2 NS 2 A 5 MX 🔓 Insecure
2026-06-17 08:24:35 561ms 2 NS 2 A 5 MX 🔓 Insecure
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