gumbo.dk

📜 Historical scan 2026-06-17 10:37:08  ·  ← 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   42ms
NameserverIP addressesPTRASN / ISP
ben.ns.cloudflare.com 108.162.193.103
172.64.33.103
173.245.59.103
2606:4700:58::adf5:3b67
2803:f800:50::6ca2:c167
2a06:98c1:50::ac40:2167		 ben.ns.cloudflare.com
ben.ns.cloudflare.com
ben.ns.cloudflare.com
ben.ns.cloudflare.com
ben.ns.cloudflare.com
ben.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ingrid.ns.cloudflare.com 108.162.192.165
172.64.32.165
173.245.58.165
2606:4700:50::adf5:3aa5
2803:f800:50::6ca2:c0a5
2a06:98c1:50::ac40:20a5		 ingrid.ns.cloudflare.com
ingrid.ns.cloudflare.com
ingrid.ns.cloudflare.com
ingrid.ns.cloudflare.com
ingrid.ns.cloudflare.com
ingrid.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   56ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.15.79 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.161.244 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mail.protonmail.ch 176.119.200.128
185.205.70.128
185.70.42.128		 mail.protonmail.ch
mail.protonmail.ch
mail.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
20 — mailsec.protonmail.ch 176.119.200.129
185.205.70.129
185.70.42.129		 mailsec.protonmail.ch
mailsec.protonmail.ch
mailsec.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG

🔷 AAAA Records (IPv6)#

2 records   35ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3036::6815:f4f — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3036::ac43:a1f4 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   34ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.15.79,172.67.161.244 ech=AEX+DQBB4AAgACDCYF+8kn+lkITHi/BN3p8uJF8P53PV1auDSJxA263SZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:f4f,2606:4700:3036::ac43:a1f4

📝 TXT Records#

2 records   145ms
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   131ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
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#

60ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

40ms
FieldValue
Serial2407091014
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
42ms
A
56ms
MX
39ms
AAAA
35ms
TXT
145ms
CAA
36ms
HTTPS
34ms
TLSA
131ms
SOA
40ms
MTA-STS
57ms
DNSSEC
60ms
SRV
0ms
Total
937ms

🕐 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 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 shown 937ms 2 NS 2 A 2 MX 🔓 Insecure
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