alexander.dk

📜 Historical scan 2026-06-16 12:39:16  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alexander.dk is a .dk domain served by 2 nameservers (cory.ns.cloudflare.com, ingrid.ns.cloudflare.com). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.3.66 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.smtp.goog, mx2.smtp.goog and 2 more. The zone is DNSSEC-signed and validates, 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   30ms
NameserverIP addressesPTRASN / ISP
cory.ns.cloudflare.com — — —
ingrid.ns.cloudflare.com — — —

🌍 A Records#

2 records   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.3.66 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.153.119 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

4 records   36ms
PriorityTTLMail ServerIP addressesPTRASN
5 — mx1.smtp.goog 216.239.32.151 — AS15169 Google LLC
5 — mx2.smtp.goog 216.239.34.151 — AS15169 Google LLC
10 — mx3.smtp.goog 216.239.36.151 — AS15169 Google LLC
10 — mx4.smtp.goog 216.239.38.151 — AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records   34ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3034::ac43:9977 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::6815:342 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   37ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.3.66,172.67.153.119 ech=AEX+DQBBzAAgACCRSl2GarTD7edzme/SRSjBGfCZcUyEhedgk/e1csdNQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:9977,2606:4700:3035::6815:342

📝 TXT Records#

7 records   125ms
TXT Record
google-site-verification=GsRHfJ8rqMt-I9SSWaRHFbnDpSl_xq0k7jYePQtmD5E
google-site-verification=svnZZMSG7qSlv2XmzN-TLclOhWRWWxnXHWZO-prTxAk
jcn01mv77lkgs955gbpdn6bdfgybjrxb
keybase-site-verification=0QBhvTtTVoJqlesjm0loaCC9SS70fyWOMrENQ6_oyqw
MS=ms26326734
openai-domain-verification=dv-Zk1xSAU8O5V5SM1FWwOOgAD1
v=spf1 +a +mx include:_spf.google.com +a:amatzen.com -all

✉️ SPF#

PolicyRecord (alexander.dk)
-all (hard fail) v=spf1 +a +mx include:_spf.google.com +a:amatzen.com -all

📨 DMARC#

PolicyRecord (_dmarc.alexander.dk)
p=reject v=DMARC1;p=reject;sp=reject;pct=100;adkim=s;aspf=s;rua=mailto:3bad2e6553774818ae23a7dd93be48a1@dmarc-reports.cloudflare.net,mailto:easy080035@easydmarc.com;ruf=mailto:ruf@rep.easydmarc.com,mailto:postmaster@alexander.dk;fo=1

📬 MTA-STS#

220ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID202204090037
max_age2592000s
Policy MX—

📈 TLSRPT#

StatusReport address (rua)
✓ Enabled mtzn-d@tlsrpt.report-uri.com

📜 CAA Records#

11 records   34ms
FlagsTagValue
0 issue amazontrust.com
0 issue comodoca.com
0 issue digicert.com; cansignhttpexchanges=yes
0 issue letsencrypt.org
0 issue pki.goog; cansignhttpexchanges=yes
0 issue ssl.com
0 issuewild comodoca.com
0 issuewild digicert.com; cansignhttpexchanges=yes
0 issuewild letsencrypt.org
0 issuewild pki.goog; cansignhttpexchanges=yes
0 issuewild ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 22:02:38
www104.21.3.66 172.67.153.119 2606:4700:3030::ac43:9977 2606:4700:3036::6815:342 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
google — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

110ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

31ms
FieldValue
Serial2407088119
Primary NS (MNAME)cory.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-14 19:08:31
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1997-01-31
Expires2032-12-31 (2266d)

🔗 Same registrant#

3 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).

DomainRegistrar
amatzen.dkPunktum dk A/S (direct)
government.dkPunktum dk A/S (direct)
kjellerupstenhuggeri.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
30ms
A
36ms
MX
36ms
AAAA
34ms
TXT
125ms
CAA
34ms
HTTPS
37ms
TLSA
2041ms
SOA
31ms
MTA-STS
220ms
DNSSEC
110ms
SRV
0ms
Total
3151ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 22:02:38 2169ms 2 NS 2 A 4 MX 🔒 Secure
2026-10-14 18:58:58 2961ms 2 NS 2 A 4 MX 🔒 Secure
2026-10-04 16:06:32 3099ms 2 NS 2 A 4 MX 🔒 Secure
2026-09-23 13:57:14 1027ms 2 NS 2 A 4 MX 🔒 Secure
2026-09-18 20:38:56 2694ms 2 NS 2 A 4 MX 🔒 Secure
2026-09-12 00:38:33 1464ms 2 NS 2 A 4 MX 🔒 Secure
2026-09-06 22:53:43 1324ms 2 NS 2 A 4 MX 🔒 Secure
2026-09-04 06:32:04 2939ms 2 NS 2 A 4 MX 🔒 Secure
2026-09-01 12:06:24 1424ms 2 NS 2 A 4 MX 🔒 Secure
2026-08-28 02:55:26 1462ms 2 NS 2 A 4 MX 🔒 Secure
2026-08-16 19:32:59 2698ms 2 NS 2 A 4 MX 🔒 Secure
2026-08-05 20:19:49 2743ms 2 NS 2 A 4 MX 🔒 Secure
2026-07-20 10:00:39 2408ms 2 NS 2 A 4 MX 🔒 Secure
2026-07-13 17:17:57 3572ms 2 NS 2 A 4 MX 🔒 Secure
2026-07-09 05:13:45 3222ms 2 NS 2 A 4 MX 🔒 Secure
2026-06-25 16:21:24 2677ms 2 NS 2 A 4 MX 🔒 Secure
2026-06-21 14:34:54 2393ms 2 NS 2 A 4 MX 🔒 Secure
2026-06-21 09:39:20 1148ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-19 14:56:06 3324ms 2 NS 2 A 4 MX 🔒 Secure
2026-06-16 12:39:16 shown 3151ms 2 NS 2 A 4 MX 🔒 Secure
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