gislum.dk

Records from scan: 2026-10-17 18:59:43  ·  2315ms total
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gislum.dk is a .dk domain served by 2 nameservers (destiny.ns.cloudflare.com, skip.ns.cloudflare.com). It was registered on 5 October 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.43.220 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.gislum.dk. The zone is not DNSSEC-signed, 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   62ms

🌍 A Records#

2 records   138ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.43.220 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.186.97 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   101ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.gislum.dk 80.208.96.87 80.208.96.87.dhcp.fibianet.dk AS44869 FIBIA P/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovergislum.dk → 80.208.96.87
🔶 Autoconfiggislum.dk → 80.208.96.87

🔷 AAAA Records (IPv6)#

2 records   119ms

🔐 HTTPS Records#

1 records   93ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.43.220,172.67.186.97 ech=AEX+DQBBhAAgACBCmxHePDy/j7kVCQqqB9NU8njlbkMMnmM90HxTbzt7TwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2bdc,2606:4700:3035::ac43:ba61

📝 TXT Records#

2 records   243ms
TXT Record
google-site-verification=i8gxZ5D6tv1OKa2u6_zQTy4eXwVyNGNiE1GlgayvcHw
v=spf1 ip4:95.138.217.117 include:nextcloud.gislum.dk -all

✉️ SPF#

PolicyRecord (gislum.dk)
-all (hard fail) v=spf1 ip4:95.138.217.117 include:nextcloud.gislum.dk -all

📨 DMARC#

PolicyRecord (_dmarc.gislum.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:e7860d35b2964a0a845b694d434b8071@dmarc-reports.cloudflare.net,mailto:dmarc.reports@gislum.dk; ruf=mailto:dmarc.report@gislum.dk; sp=none; ri=86400

📬 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#

checked 2026-10-17 18:59:43
www104.21.43.220 172.67.186.97 2606:4700:3031::6815:2bdc 2606:4700:3035::ac43:ba61 (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#

1 found
SelectorCNAMEKey
mail — 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: 2/10 · policy: -all

  • error include:nextcloud.gislum.dk includes itself (directly or via another include): receivers return permerror

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.gislum.dk gislum.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

197ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

53ms
FieldValue
Serial2417680691
Primary NS (MNAME)destiny.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-14 10:00:34
FieldValue
RegistrarSimply.com A/S
Registered2017-10-05
Expires2026-10-31 (13d)

🔗 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
weatherstone.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
62ms
A
138ms
MX
101ms
AAAA
119ms
TXT
243ms
CAA
104ms
HTTPS
93ms
TLSA
750ms
SOA
53ms
MTA-STS
143ms
DNSSEC
197ms
SRV
148ms
Total
2315ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 18:59:43 shown 2315ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-16 18:12:06 557ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-14 16:34:24 740ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-13 15:40:42 733ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-10 11:02:21 2470ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-09 09:07:27 537ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-06 21:47:11 707ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-03 19:36:42 1069ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-02 19:31:47 940ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-01 19:30:45 981ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 19:24:47 892ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-29 19:15:50 683ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-26 18:49:12 822ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-25 18:35:22 9767ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-23 16:41:28 1338ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-21 17:02:27 1441ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-17 14:36:41 1387ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-10 13:30:39 960ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-09 10:29:15 731ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-06 20:02:58 1869ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-28 01:37:39 888ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 21:19:56 1097ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-24 10:01:25 1208ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-21 07:21:43 1569ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-19 03:34:44 15872ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone