nicolaieilstrup.dk

📜 Historical scan 2026-06-27 19:05:08  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nicolaieilstrup.dk is a .dk domain served by 2 nameservers (anirban.ns.cloudflare.com, thea.ns.cloudflare.com). It was registered on 14 February 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.90.33 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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   55ms
NameserverIP addressesPTRASN / ISP
anirban.ns.cloudflare.com 108.162.193.64
172.64.33.64
173.245.59.64
2606:4700:58::adf5:3b40
2803:f800:50::6ca2:c140
2a06:98c1:50::ac40:2140		 anirban.ns.cloudflare.com
anirban.ns.cloudflare.com
anirban.ns.cloudflare.com
anirban.ns.cloudflare.com
anirban.ns.cloudflare.com
anirban.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
thea.ns.cloudflare.com 108.162.194.247
162.159.38.247
172.64.34.247
2606:4700:50::a29f:26f7
2803:f800:50::6ca2:c2f7
2a06:98c1:50::ac40:22f7		 thea.ns.cloudflare.com
thea.ns.cloudflare.com
thea.ns.cloudflare.com
thea.ns.cloudflare.com
thea.ns.cloudflare.com
thea.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   43ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.90.33 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.193.200 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.protonmail.ch 176.119.200.128
185.205.70.128
185.70.42.128		 mail.protonmail.ch
mail.protonmail.ch
mail.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
20 300s mailsec.protonmail.ch 176.119.200.129
185.205.70.129
185.70.42.129		 mailsec.protonmail.ch
mailsec.protonmail.ch
mailsec.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG

🔷 AAAA Records (IPv6)#

2 records   43ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:c1c8 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3032::6815:5a21 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   40ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.90.33,172.67.193.200 ech=AEX+DQBBRQAgACB5aePj08Ln+tHAG4C2AAMaaZ5KEmIpgiRGoTjs9YqZBAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:c1c8,2606:4700:3032::6815:5a21

📝 TXT Records#

2 records   188ms
TXT Record
protonmail-verification=cda643e6700c2b67674fe3e262bcdc0c7f665cf4
v=spf1 include:_spf.protonmail.ch -all

✉️ SPF#

PolicyRecord (nicolaieilstrup.dk)
-all (hard fail) v=spf1 include:_spf.protonmail.ch -all

📨 DMARC#

PolicyRecord (_dmarc.nicolaieilstrup.dk)
p=reject v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s;pct=100;fo=0;rf=afrf;ri=86400

📬 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 2026-10-22 02:32:53
www104.21.90.33 172.67.193.200 2606:4700:3030::ac43:c1c8 2606:4700:3032::6815:5a21 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records   149ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

63ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

36ms
FieldValue
Serial2407819609
Primary NS (MNAME)anirban.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-22 03:02:32
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2014-02-14
Expires2029-02-28 (855d)

🔗 Same registrant#

1 domain

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).

DomainRegistrar
moreless.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
55ms
A
43ms
MX
38ms
AAAA
43ms
TXT
188ms
CAA
31ms
HTTPS
40ms
TLSA
149ms
SOA
36ms
MTA-STS
47ms
DNSSEC
63ms
SRV
73ms
Total
1129ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 02:32:53 795ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-07 21:36:11 938ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-30 11:27:54 890ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-28 02:09:29 1462ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-24 01:11:10 6738ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-01 13:52:28 3123ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-27 19:05:08 shown 1129ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-26 03:05:30 1034ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-25 01:45:46 789ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-17 13:26:21 1079ms 2 NS 2 A 2 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone