renva.dk

📜 Historical scan 2026-08-25 12:42:46  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

renva.dk is a .dk domain served by 2 nameservers (otto.ns.cloudflare.com, zita.ns.cloudflare.com). It was registered on 13 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.3.73 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   58ms
NameserverIP addressesPTRASN / ISP
otto.ns.cloudflare.com 108.162.195.135
162.159.44.135
172.64.35.135
2606:4700:58::a29f:2c87
2803:f800:50::6ca2:c387
2a06:98c1:50::ac40:2387		 otto.ns.cloudflare.com
otto.ns.cloudflare.com
otto.ns.cloudflare.com
otto.ns.cloudflare.com
otto.ns.cloudflare.com
otto.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
zita.ns.cloudflare.com 108.162.192.243
172.64.32.243
173.245.58.243
2606:4700:50::adf5:3af3
2803:f800:50::6ca2:c0f3
2a06:98c1:50::ac40:20f3		 zita.ns.cloudflare.com
zita.ns.cloudflare.com
zita.ns.cloudflare.com
zita.ns.cloudflare.com
zita.ns.cloudflare.com
zita.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   61ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.3.73 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.130.117 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   53ms
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
🔷 Autodiscover94.231.103.187
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   58ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3033::ac43:8275 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3034::6815:349 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   53ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.3.73,172.67.130.117 ech=AEX+DQBB3gAgACCrNeffYBs54Ic9ySmupUCgFow0o7lg/fz5Dfsa4DNSIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:8275,2606:4700:3034::6815:349

📝 TXT Records#

1 records   192ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_dmarc.renva.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 2026-10-18 09:38:15
www104.21.3.73 172.67.130.117 2606:4700:3033::ac43:8275 2606:4700:3034::6815:349 (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

✍️ DKIM keys#

2 found
SelectorCNAMEKey
s1 s1.domainkey.u36337049.wl050.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u36337049.wl050.sendgrid.net 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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   75ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

2084ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412759719
Primary NS (MNAME)otto.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-18 10:00:04
FieldValue
RegistrarSimply.com A/S
Registered2026-05-13
Expires2027-05-12 (205d)

🔗 Same registrant#

4 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
gentoftecykler.dkSimply.com A/S
kalkeksperten.dkSimply.com A/S
kimergaard.dkSimply.com A/S
kreditexperten.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
58ms
A
61ms
MX
53ms
AAAA
58ms
TXT
192ms
CAA
54ms
HTTPS
53ms
TLSA
75ms
SOA
0ms
MTA-STS
70ms
DNSSEC
2084ms
SRV
89ms
Total
2611ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 09:38:14 2247ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-03 22:51:36 749ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-26 21:35:35 582ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-14 07:39:48 1326ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-25 12:42:46 shown 2611ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-21 11:49:33 2271ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-20 11:30:05 1389ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-28 11:25:31 1456ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-23 21:52:19 3043ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-22 15:13:02 1175ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 02:31:18 676ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-17 12:04:07 983ms 3 NS 1 A 1 MX 🔒 Secure
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