rejekort.dk

Records from scan: 2026-10-17 18:05:42  ·  730ms total
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rejekort.dk is a .dk domain served by 2 nameservers (mustafa.ns.cloudflare.com, ullis.ns.cloudflare.com). It was registered on 1 December 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.23.123 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.hallbergit.dk. The zone is DNSSEC-signed and validates, publishes a 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   53ms
NameserverIP addressesPTRASN / ISP
mustafa.ns.cloudflare.com 108.162.195.27
162.159.44.27
172.64.35.27
2606:4700:58::a29f:2c1b
2803:f800:50::6ca2:c31b
2a06:98c1:50::ac40:231b		 mustafa.ns.cloudflare.com
mustafa.ns.cloudflare.com
mustafa.ns.cloudflare.com
mustafa.ns.cloudflare.com
mustafa.ns.cloudflare.com
mustafa.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ullis.ns.cloudflare.com 108.162.194.127
162.159.38.127
172.64.34.127
2606:4700:50::a29f:267f
2803:f800:50::6ca2:c27f
2a06:98c1:50::ac40:227f		 ullis.ns.cloudflare.com
ullis.ns.cloudflare.com
ullis.ns.cloudflare.com
ullis.ns.cloudflare.com
ullis.ns.cloudflare.com
ullis.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
104.21.23.123 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.211.20 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   33ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx01.hallbergit.dk 167.86.78.83
2a02:c207:2248:59::1		 mx01.hallbergit.dk
mx01.hallbergit.dk		 AS51167 Contabo GmbH
AS51167 Contabo GmbH

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovermaildiscover.hallbergit.dk → 167.86.78.83
🔶 Autoconfigauto-mail.onhallbergit.dk → 104.21.73.146

🔷 AAAA Records (IPv6)#

2 records   29ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:177b 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:d314 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   29ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.23.123,172.67.211.20 ech=AEX+DQBB9gAgACCmDev2rGOjNu/UjgTi6yzOnaIkm4qD5r82F3CkIsGmOQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:177b,2606:4700:3037::ac43:d314

📝 TXT Records#

2 records   264ms
TXT Record
have-i-been-pwned-verification=e9a544754e7779669e82f22cb59b2d39
v=spf1 include:_spfcust.hallbergit.dk -all

✉️ SPF#

PolicyRecord (rejekort.dk)
-all (hard fail) v=spf1 include:_spfcust.hallbergit.dk -all

📨 DMARC#

PolicyRecord (_dmarc.rejekort.dk)
p=quarantine v=DMARC1; p=quarantine; sp=reject; pct=100; rua=mailto:dmarc@onhallbergit.dk; ruf=mailto:dmarc@onhallbergit.dk; fo=0

📬 MTA-STS#

191ms
CheckResult
Status🧪 Testing
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modetesting
Policy ID20241021234126Z
max_age86400s
Policy MXmx01.hallbergit.dk, mx02.hallbergit.dk, mx.dragontech.dk, mail.dragontech.dk

📈 TLSRPT#

StatusReport address (rua)
✓ Enabled mailto:tls-report@hallbergit.dk

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-17 18:05:42
www104.21.23.123 172.67.211.20 2606:4700:3031::6815:177b 2606:4700:3037::ac43:d314 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.rejekort.dk DumMv2DLBAxKZke2X4QeALsrKpty0jO-h5MN5GFMkzY
TXT _acme-challenge.rejekort.dk T7aNtcQk6eQGEImQagatU1JoC95MimXRe8CunFQ6iCQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

59ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

52ms
FieldValue
Serial2417727854
Primary NS (MNAME)mustafa.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 18:29:44
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2021-12-01
Expires2026-11-30 (43d)

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

⏱️ Lookup Timing#

NS
53ms
A
30ms
MX
33ms
AAAA
29ms
TXT
264ms
CAA
56ms
HTTPS
29ms
TLSA
102ms
SOA
52ms
MTA-STS
191ms
DNSSEC
59ms
SRV
75ms
Total
730ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 18:05:42 shown 730ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-30 16:18:59 1487ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-30 08:15:57 1026ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-24 04:37:01 1190ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-16 04:24:27 822ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-31 16:29:17 3358ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-26 12:22:23 1637ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-18 22:30:36 6838ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-07 05:47:14 9203ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-27 23:50:36 8981ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-17 19:12:17 1189ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-14 13:01:27 8804ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-29 23:32:38 1185ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-25 14:29:14 994ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-17 14:26:11 3826ms 2 NS 2 A 1 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone