re-z.dk

📜 Historical scan 2026-09-22 09:14:11  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

re-z.dk is a .dk domain served by 2 nameservers (fonzie.ns.cloudflare.com, zelda.ns.cloudflare.com). It was registered on 1 July 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.34 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. 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   101ms
NameserverIP addressesPTRASN / ISP
fonzie.ns.cloudflare.com 108.162.195.70
162.159.44.70
172.64.35.70
2606:4700:58::a29f:2c46
2803:f800:50::6ca2:c346
2a06:98c1:50::ac40:2346		 fonzie.ns.cloudflare.com
fonzie.ns.cloudflare.com
fonzie.ns.cloudflare.com
fonzie.ns.cloudflare.com
fonzie.ns.cloudflare.com
fonzie.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
zelda.ns.cloudflare.com 108.162.192.242
172.64.32.242
173.245.58.242
2606:4700:50::adf5:3af2
2803:f800:50::6ca2:c0f2
2a06:98c1:50::ac40:20f2		 zelda.ns.cloudflare.com
zelda.ns.cloudflare.com
zelda.ns.cloudflare.com
zelda.ns.cloudflare.com
zelda.ns.cloudflare.com
zelda.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   131ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.91.34 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.165.96 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   128ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover93.191.156.93
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   142ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:5b22 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:a560 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   135ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.91.34,172.67.165.96 ech=AEX+DQBBnQAgACDWksNP05rO7T+c2ehhf13BJAljkuJHDUTeLSGefCe9QgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5b22,2606:4700:3037::ac43:a560

🔌 SRV Records#

1 records   159ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

1 records   397ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (re-z.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

PolicyRecord (_dmarc.re-z.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-08 18:26:03
www104.21.91.34 172.67.165.96 2606:4700:3031::6815:5b22 2606:4700:3037::ac43:a560 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
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
CNAME _acme-challenge.re-z.dk _acme-challenge.powr.host

🔗 TLSA / DANE#

2 records   82ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

178ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2415473287
Primary NS (MNAME)fonzie.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-08 18:34:29
FieldValue
RegistrarSimply.com A/S
Registered2025-07-01
Expires2027-06-30 (248d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
101ms
A
131ms
MX
128ms
AAAA
142ms
TXT
397ms
CAA
148ms
HTTPS
135ms
TLSA
82ms
SOA
0ms
MTA-STS
99ms
DNSSEC
178ms
SRV
159ms
Total
1024ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 18:26:02 1380ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-30 17:17:07 518ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-29 21:53:29 1489ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-28 21:40:11 742ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-24 20:00:19 1296ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-22 09:14:11 shown 1024ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-15 07:54:14 1509ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-27 19:04:38 528ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-26 16:13:08 623ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-28 10:30:17 658ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-25 08:04:07 737ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-22 23:28:20 707ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-20 06:47:00 710ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-18 03:27:41 785ms 4 NS 1 A 1 MX 🔒 Secure
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