csff.dk - dns.ninja
csff.dk
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1785997981localtime Thu Aug 6 08:33:01 2026gmtime Thu Au... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1785997981 | ||||||
Subdomains
www.csff.dk |
Same first word
csff.cn |
csff.cz |
csff.edu.lb |
csff.info |
csff.org |
csff.com.cn |
csff.dk |
csff.de |
csff.od.ua |
csff.in |
csff.net |
csff.ru |
csff.com.au |
csff.com |
Similar names
DNS History
15 records (10 active, 5 former)
●NSns1.simply.com2026-03-26 → 2026-08-06 · 3 obs
● 2026-03-26 08:27:04
● 2026-08-06 06:44:38
○NSns1.surf-town.net2015-07-11 → 2017-04-20 · 4 obs
● 2017-04-20 05:28:36
○ 2026-03-26 08:27:04
○ 2026-08-06 06:44:38
●NSns2.simply.com2026-03-26 → 2026-08-06 · 3 obs
● 2026-03-26 08:27:04
● 2026-08-06 06:44:38
○NSns2.surf-town.net2015-07-11 → 2017-04-20 · 4 obs
● 2017-04-20 05:28:36
○ 2026-03-26 08:27:04
○ 2026-08-06 06:44:38
●NSns3.simply.com2026-03-26 → 2026-08-06 · 3 obs
● 2026-03-26 08:27:04
● 2026-08-06 06:44:38
○NSns3.surf-town.net2015-07-11 → 2017-04-20 · 4 obs
● 2017-04-20 05:28:36
○ 2026-03-26 08:27:04
○ 2026-08-06 06:44:38
●NSns4.simply.com2026-03-26 → 2026-08-06 · 3 obs
● 2026-03-26 08:27:04
● 2026-08-06 06:44:38
●MXalt1.aspmx.l.google.com2026-03-26 → 2026-08-06 · 3 obs
● 2026-03-26 08:27:04
● 2026-08-06 06:44:38
●MXalt2.aspmx.l.google.com2026-03-26 → 2026-08-06 · 3 obs
● 2026-03-26 08:27:04
● 2026-08-06 06:44:38
●MXalt3.aspmx.l.google.com2026-03-26 → 2026-08-06 · 3 obs
● 2026-03-26 08:27:04
● 2026-08-06 06:44:38
●MXalt4.aspmx.l.google.com2026-03-26 → 2026-08-06 · 3 obs
● 2026-03-26 08:27:04
● 2026-08-06 06:44:38
●MXaspmx.l.google.com2026-03-26 → 2026-08-06 · 3 obs
● 2026-03-26 08:27:04
● 2026-08-06 06:44:38
○MXmail18.surftown.dk2015-07-11 → 2017-04-20 · 4 obs
● 2017-04-20 05:28:36
○ 2026-03-26 08:27:04
○ 2026-08-06 06:44:38
○A212.97.132.1062015-07-11 → 2017-04-20 · 4 obs
● 2017-04-20 05:28:36
○ 2026-03-26 08:27:04
○ 2026-08-06 06:44:38
●A93.191.156.1112026-03-26 → 2026-08-06 · 3 obs
● 2026-03-26 08:27:04
● 2026-08-06 06:44:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | l.nic.dk, b.nic.dk, c.nic.dk, h.nic.dk... | - |
| csff.dk | ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com | - |
✅ Authoritative Response
Server:91.197.248.80
NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1001ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 93.191.156.111 |
| NS | 4 | ns3.simply.com, ns2.simply.com... |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | v=spf1 include:_spf.google.com ~all, google-site-verification=B-oEMGcbWPPKr2U |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
Analysis
Hierarchy
www.csff.dk is delegated beneath csff.dk.
IP Addresses
csff.dk resolves to one IP address: 93.191.156.111.
aku-jon.dk, flise-pejsecenter.dk, smtp.songnetworks.dk and two other host names share IP numbers with csff.dk.
Name Servers
The authoritative name servers for csff.dk are ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.
There is at least partial name server overlap between csff.dk and other domains — poly-control.dk, maxwell.dk, st-db.com and two more among them.
These name servers tend to appear in combination with the name servers ns1.unoeuro.com, ns2.unoeuro.com, ns3.unoeuro.com and ns4.unoeuro.com.
Hostnames that resolve to two IP addresses:
The A records for ns1.simply.com return 91.197.248.78 and 2a02:2339:1:15c::4562:4562.
The A records for ns2.simply.com return 185.25.141.15 and 2a02:2339:4006:101::4562:4562.
Hosts with just one IP address:
ns3.simply.com resolves to the IP address 91.197.248.79.
ns4.simply.com resolves to the IP address 91.197.248.80.
Mail Servers
Five mail servers handle csff.dk: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
csff.dk has at least partial mail server overlap with other domains such as ns500742.ns500731.ns500671.ns500754.ns500688.ns500704.ns500671.ns500705.ns500678.ns500666.ns500153.tenderladiesbz.com, ns500759.ns500698.ns500759.ns500759.ns500758.ns500758.ns500698.ns500735.ns500698.ns500736.ns500736.ns500576.ns500698.ns500698.ns500686.ns500576.ns500576.trackreceptor.com, ns500698.ns500698.ns500758.ns500758.ns500698.ns500736.ns500735.ns500736.ns500576.ns500708.ns500576.ns500686.ns500619.trackreceptor.com and two more.
The mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.
Hostnames that resolve to two IP addresses:
The A records for aspmx.l.google.com return 142.251.163.27 and 2607:f8b0:4004:c17::1b.
The A records for alt1.aspmx.l.google.com return 108.177.123.26 and 2800:3f0:4003:c0f::1b.
The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.
The A records for alt3.aspmx.l.google.com return 192.178.223.26 and 2a00:1450:4009:c0f::1b.
The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1b.