gislum.dk

📜 Historical scan 2026-10-02 19:31:47  ·  ← Latest scan
⬇ 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   36ms
NameserverIP addressesPTRASN / ISP
destiny.ns.cloudflare.com 108.162.194.76
162.159.38.76
172.64.34.76
2606:4700:50::a29f:264c
2803:f800:50::6ca2:c24c
2a06:98c1:50::ac40:224c		 destiny.ns.cloudflare.com
destiny.ns.cloudflare.com
destiny.ns.cloudflare.com
destiny.ns.cloudflare.com
destiny.ns.cloudflare.com
destiny.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
skip.ns.cloudflare.com 108.162.193.233
172.64.33.233
173.245.59.233
2606:4700:58::adf5:3be9
2803:f800:50::6ca2:c1e9
2a06:98c1:50::ac40:21e9		 skip.ns.cloudflare.com
skip.ns.cloudflare.com
skip.ns.cloudflare.com
skip.ns.cloudflare.com
skip.ns.cloudflare.com
skip.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   57ms
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   55ms
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   34ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:2bdc 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::ac43:ba61 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   56ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.43.220,172.67.186.97 ech=AEX+DQBBYwAgACBhrmF226LMhe3Ocb+G2g0MIyFdmDiQeQSvwrtR4Y3qDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2bdc,2606:4700:3035::ac43:ba61

📝 TXT Records#

2 records   191ms
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#

latest probe, not this scan · 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#

96ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

47ms
FieldValue
Serial2416428258
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
36ms
A
57ms
MX
55ms
AAAA
34ms
TXT
191ms
CAA
36ms
HTTPS
56ms
TLSA
70ms
SOA
47ms
MTA-STS
60ms
DNSSEC
96ms
SRV
78ms
Total
940ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 18:59:43 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 shown 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