guru.nu - robtex.com
guru.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:35a5dc9c-9ccc-43a8-8b50-3058e96d6f5e | ||||||
| TXT | NU zone update: 2026-03-28 18:30:38 +0000 (EPOCH 1774722638) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1774722746 | ||||||
Subdomains
mail.guru.nu |
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
●NS3wtxrx.ns3.nameshift.com2026-03-28 → 2026-03-28 · 3 obs
● 2026-03-28 06:42:16
● 2026-03-28 19:05:14
○NSatdns01.citynetwork.se2015-05-28 → 2017-11-18 · 4 obs
● 2017-11-18 12:40:38
○ 2026-03-28 06:42:16
○ 2026-03-28 19:05:14
○NSatdns02.citynetwork.se2015-05-28 → 2017-11-18 · 4 obs
● 2017-11-18 12:40:38
○ 2026-03-28 06:42:16
○ 2026-03-28 19:05:14
○NSatdns03.citynetwork.se2015-05-28 → 2017-11-18 · 4 obs
● 2017-11-18 12:40:38
○ 2026-03-28 06:42:16
○ 2026-03-28 19:05:14
●NSns1.nameshift.com2026-03-28 → 2026-03-28 · 3 obs
● 2026-03-28 06:42:16
● 2026-03-28 19:05:14
●NSns2.nameshift.com2026-03-28 → 2026-03-28 · 3 obs
● 2026-03-28 06:42:16
● 2026-03-28 19:05:14
●A134.199.240.1622026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 19:05:14
○A188.95.227.202015-05-28 → 2017-11-18 · 4 obs
● 2017-11-18 12:40:38
○ 2026-03-28 06:42:16
○ 2026-03-28 19:05:14
○A209.38.54.1912026-03-28 → 2026-03-28 · 3 obs
● 2026-03-28 06:42:16
○ 2026-03-28 19:05:14
○A2a00:16d8:2:200::202015-05-28 → 2017-11-18 · 4 obs
● 2017-11-18 12:40:38
○ 2026-03-28 06:42:16
○ 2026-03-28 19:05:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | m.ns.nu, z.ns.nu, c.ns.nu, d.ns.nu... | 12 records |
| guru.nu | ns1.nameshift.com, 3wtxrx.ns3.nameshift.com, ns2.nameshift.com | - |
✅ Authoritative Response
Server:13.248.250.100
NS records: ns1.nameshift.com, 3wtxrx.ns3.nameshift.com, ns2.nameshift.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
No DNSKEY for guru.nu
⏱️ Timing
Total: 758ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 134.199.240.162 |
| 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 |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (m.ns.nu, m.ns.nu, z.ns.nu...)
Analysis
Hierarchy
The parent of mail.guru.nu is guru.nu.
IP Addresses
guru.nu points to IP number: 134.199.240.162.
Other host names such as sikaflex.nl, bobe.nl, rvf.fi, byd.eu and kmac.nl share IPs with guru.nu.
Name Servers
guru.nu is delegated to three name servers: ns1.nameshift.com, ns2.nameshift.com and 3wtxrx.ns3.nameshift.com.
guru.nu at least partially shares name servers with other domains, for instance kuddelig.de, mail.goedkoperverzenden.nl, sedef.de, kisel.fr and dekael.be.
these name servers are commonly used with xmhvxw.ns3.nameshift.com, poit15.ns3.nameshift.com, lb9d7c.ns3.nameshift.com, 22c3dz.ns3.nameshift.com, 0v2j4i.ns3.nameshift.com, 6uwma6.ns3.nameshift.com and ebn2vt.ns3.nameshift.com.
Host ns1.nameshift.com points to 2600:9000:a61b:4497:71ce:e3b5:812b:b9be and 13.248.250.100; Host ns2.nameshift.com points to 2600:9000:a50c:3f98:ac6f:9cd5:adde:e0e0 and 166.117.238.1; Host 3wtxrx.ns3.nameshift.com points to 2600:9000:a61b:4497:d531:38f9:755f:9384 and 75.2.81.78.