oestertoft.dk

📜 Historical scan 2026-10-23 15:25:55  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

oestertoft.dk is a .dk domain served by 2 nameservers (courtney.ns.cloudflare.com, margo.ns.cloudflare.com). It was registered on 23 March 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.45.123 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.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   31ms
NameserverIP addressesPTRASN / ISP
courtney.ns.cloudflare.com 108.162.194.130
162.159.38.130
172.64.34.130
2606:4700:50::a29f:2682
2803:f800:50::6ca2:c282
2a06:98c1:50::ac40:2282		 courtney.ns.cloudflare.com
courtney.ns.cloudflare.com
courtney.ns.cloudflare.com
courtney.ns.cloudflare.com
courtney.ns.cloudflare.com
courtney.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
margo.ns.cloudflare.com 108.162.195.144
162.159.44.144
172.64.35.144
2606:4700:58::a29f:2c90
2803:f800:50::6ca2:c390
2a06:98c1:50::ac40:2390		 margo.ns.cloudflare.com
margo.ns.cloudflare.com
margo.ns.cloudflare.com
margo.ns.cloudflare.com
margo.ns.cloudflare.com
margo.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   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.45.123 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.213.228 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   30ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.103.108
94.231.106.20		 mx.simply.com
mx.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.45.123
🔶 Autoconfig172.67.213.228

🔷 AAAA Records (IPv6)#

2 records   25ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:2d7b 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::ac43:d5e4 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   31ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.45.123,172.67.213.228 ech=AEX+DQBBigAgACDUi3mzltrIzUynxCojaFogEYY6XLwoNEySd2rDkPBTBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2d7b,2606:4700:3035::ac43:d5e4

📝 TXT Records#

2 records   144ms
TXT Record
google-site-verification=V6nr2CmfRLWRSNAm76UlzPyPJ-oCaGh47rvf-hpEWqw
v=spf1 include:_spf.google.com include:spf.simply.com include:amazonses.com ~all

✉️ SPF#

PolicyRecord (oestertoft.dk)
~all (soft fail) v=spf1 include:_spf.google.com include:spf.simply.com include:amazonses.com ~all

📨 DMARC#

PolicyRecord (_dmarc.oestertoft.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:dmarc@japseyz.uriports.com; ruf=mailto:dmarc@japseyz.uriports.com; fo=1:d:s; adkim=r; aspf=r

📬 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 2026-10-24 17:51:15
www104.21.45.123 172.67.213.228 2606:4700:3031::6815:2d7b 2606:4700:3035::ac43:d5e4 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

2 records   46ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

103ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

39ms
FieldValue
Serial2418243374
Primary NS (MNAME)courtney.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-22 06:32:20
FieldValue
RegistrarSimply.com A/S
Registered1999-03-23
Expires2027-03-31 (156d)

🔗 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
østertoft.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
31ms
A
30ms
MX
30ms
AAAA
25ms
TXT
144ms
CAA
29ms
HTTPS
31ms
TLSA
46ms
SOA
39ms
MTA-STS
39ms
DNSSEC
103ms
SRV
49ms
Total
531ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-24 17:51:15 1225ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-23 15:25:55 shown 531ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-23 11:03:34 3095ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-22 06:04:43 564ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-01 05:37:39 739ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-28 05:29:22 814ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-27 19:17:02 745ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-23 15:33:48 3143ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-23 07:15:09 1174ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 10:43:10 679ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-20 02:38:27 485ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 12:15:17 5274ms 4 NS 1 A 1 MX 🔒 Secure
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