sfk.nu - robtex.com
sfk.nu
nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.nu ⭐ | ||||||
| NS | a.ns.nu | ||||||
| NS | c.ns.nu | ||||||
| NS | d.ns.nu | ||||||
| NS | m.ns.nu | ||||||
| NS | y.ns.nu | ||||||
| NS | z.ns.nu | ||||||
| TXT | id:9651b74f-688b-4610-baee-f6ac6d0d3849 | ||||||
| TXT | NU zone update: 2026-05-11 03:44:30 +0000 (EPOCH 1778471070) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1778471121 | ||||||
Subdomains
mail2.sfk.nu |
Same first word
Similar names
DNS History
13 records (5 active, 8 former)
●NSns1.nameshift.com2026-04-12 → 2026-05-11 · 3 obs
● 2026-04-12 21:03:24
● 2026-05-11 04:35:22
●NSns2.nameshift.com2026-04-12 → 2026-05-11 · 3 obs
● 2026-04-12 21:03:24
● 2026-05-11 04:35:22
○NSns3.binero.se2015-07-03 → 2020-04-11 · 4 obs
● 2020-04-11 01:58:08
○ 2026-04-12 21:03:24
○ 2026-05-11 04:35:22
○NSns4.binero.se2015-07-03 → 2020-04-11 · 4 obs
● 2020-04-11 01:58:08
○ 2026-04-12 21:03:24
○ 2026-05-11 04:35:22
○NSns5.binero.se2015-07-03 → 2020-04-11 · 4 obs
● 2020-04-11 01:58:08
○ 2026-04-12 21:03:24
○ 2026-05-11 04:35:22
○NSns6.binero.se2015-07-03 → 2020-04-11 · 4 obs
● 2020-04-11 01:58:08
○ 2026-04-12 21:03:24
○ 2026-05-11 04:35:22
○NSns7.binero.se2015-07-03 → 2020-04-11 · 4 obs
● 2020-04-11 01:58:08
○ 2026-04-12 21:03:24
○ 2026-05-11 04:35:22
●NSxmhvxw.ns3.nameshift.com2026-04-12 → 2026-05-11 · 3 obs
● 2026-04-12 21:03:24
● 2026-05-11 04:35:22
○MXmail.sfk.nu2015-07-03 → 2020-04-11 · 4 obs
● 2020-04-11 01:58:08
○ 2026-04-12 21:03:24
○ 2026-05-11 04:35:22
○MXmail2.sfk.nu2015-07-03 → 2020-04-11 · 4 obs
● 2020-04-11 01:58:08
○ 2026-04-12 21:03:24
○ 2026-05-11 04:35:22
●A134.199.240.1622026-04-12 → 2026-05-11 · 3 obs
● 2026-04-12 21:03:24
● 2026-05-11 04:35:22
○A195.74.38.952015-07-03 → 2016-05-29 · 4 obs
● 2016-05-29 01:42:50
○ 2020-04-11 01:58:08
○ 2026-05-11 04:35:22
●A2604:a880:800:14:0:1:f06c:60002026-04-26 → 2026-05-11 · 3 obs
● 2026-04-26 13:38:40
● 2026-05-11 04:35:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | a.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu... | - |
| sfk.nu | xmhvxw.ns3.nameshift.com, ns2.nameshift.com, ns1.nameshift.com | - |
✅ Authoritative Response
Server:75.2.81.78
NS records: xmhvxw.ns3.nameshift.com, ns2.nameshift.com, ns1.nameshift.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sfk.nu (unsigned zone)
⏱️ Timing
Total: 794ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 134.199.240.162 |
| AAAA | 1 | 2604:a880:800:14:0:1:f06c:6000 |
| NS | 3 | ns1.nameshift.com, ns2.nameshift.com... |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.nameshift.com hostmaster.nameshift.c |
Analysis
Hierarchy
sfk.nu is a parent of mail2.sfk.nu.
IP Addresses
sfk.nu points to two IP numbers: 2604:a880:800:14:0:1:f06c:6000 and 134.199.240.162.
Other host names such as tras.nl, epsa.eu, cheapkeys.de, mailsicherung.de and autosport.it share IP numbers with sfk.nu.
Name Servers
sfk.nu is delegated to three name servers: ns1.nameshift.com, ns2.nameshift.com and xmhvxw.ns3.nameshift.com.
At least part of the name servers for sfk.nu are shared with other domains, for instance oiv.be, networkpro.eu, host-36.dxi.eu, skool.be and hiyou.eu.
These name servers are commonly used with poit15.ns3.nameshift.com, lb9d7c.ns3.nameshift.com, z943x2.ns3.nameshift.com and 1ux2f3.ns3.nameshift.com.
Host names with two IP numbers:
ns1.nameshift.com points to 2600:9000:a61b:4497:71ce:e3b5:812b:b9be and 13.248.250.100
ns2.nameshift.com points to 2600:9000:a50c:3f98:ac6f:9cd5:adde:e0e0 and 166.117.238.1
xmhvxw.ns3.nameshift.com points to 2600:9000:a61b:4497:d531:38f9:755f:9384 and 75.2.81.78