gumbo.dk

📜 Historical scan 2026-07-02 15:10:04  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gumbo.dk is a .dk domain served by 2 nameservers (ben.ns.cloudflare.com, ingrid.ns.cloudflare.com). It was registered on 28 November 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.15.79 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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   377ms

🌍 A Records#

2 records   388ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.15.79 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.161.244 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   336ms

🔷 AAAA Records (IPv6)#

2 records   366ms

🔐 HTTPS Records#

1 records   398ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.15.79,172.67.161.244 ech=AEX+DQBBEAAgACD3c383jWZb/NLXHeluGLbGbEFpYxaLOWjVnByb3ql3ZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:f4f,2606:4700:3036::ac43:a1f4

📝 TXT Records#

2 records   1294ms
TXT Record
protonmail-verification=4fd33062a4de31c62bf1c2117e29e2db30f55950
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

PolicyRecord (gumbo.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

PolicyRecord (_dmarc.gumbo.dk)
p=quarantine v=DMARC1; p=quarantine

📬 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 2026-10-15 12:15:21
www104.21.15.79 172.67.161.244 2606:4700:3030::6815:f4f 2606:4700:3036::ac43:a1f4 (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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records   671ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC#

1148ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2408046712
Primary NS (MNAME)ben.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-01 01:11:08
FieldValue
RegistrarSimply.com A/S
Registered2023-11-28
Expires2026-11-27 (39d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
377ms
A
388ms
MX
336ms
AAAA
366ms
TXT
1294ms
CAA
345ms
HTTPS
398ms
TLSA
671ms
SOA
0ms
MTA-STS
680ms
DNSSEC
1148ms
SRV
505ms
Total
5675ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 12:15:21 1981ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-03 19:17:31 507ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-03 01:18:05 2166ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-01 01:01:28 916ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-27 00:23:52 755ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-25 17:22:46 841ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-24 16:58:46 892ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-23 16:15:10 924ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-17 16:47:10 1057ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-10 16:03:24 1316ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-31 13:52:21 3477ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-28 11:32:21 975ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-28 07:13:12 662ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-27 07:01:41 879ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-26 14:37:46 761ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-03 23:34:17 1181ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-26 21:36:29 9559ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-24 20:19:24 10148ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-10 16:23:08 33738ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-02 15:10:04 shown 5675ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-26 09:41:00 2841ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-17 10:37:08 937ms 2 NS 2 A 2 MX 🔓 Insecure
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