ktf.rtu.lv - robtex.com
ktf.rtu.lv
rtu.lv
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 104.26.2.175Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.3.175Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.68.189🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | aliza.ns.cloudflare.com ⭐ | ||||||
| NS | tosana.ns.cloudflare.com | ||||||
| MX | rtu-lv.mail.protection.outlook.com ⭐ | ||||||
| TXT | 1d9e1955e37d63270f2fa891667a4b40c3350bc2a7fa4be967 | ||||||
| TXT | HARICA-lH315RueGmlZMbSrOeW | ||||||
| TXT | ZOOM_verify_GYXDZT6vQPWNq6_FbHbHqw | ||||||
| TXT | atlassian-domain-verification=EQt/mYDkaN1D9tZAeRoGeQcRdGshowOuHfDkGDay6qjk3YE... | ||||||
| TXT | atlassian-sending-domain-verification=331c842e-9969-4000-b7cd-35fc63086a58 | ||||||
| TXT | brevo-code:9ecdaceacdfba5436557e86bed7d8bf1 | ||||||
| TXT | cisco-ci-domain-verification=3ce23bfa299d575f060746a03ab0c433f6332398f95b53c0... | ||||||
| TXT | google-site-verification=G09L_axEryUFKQIsRX0TJlg7Xcm8wHCICLT0-McNKCU | ||||||
| TXT | google-site-verification=hFrrkf2Ixuq0MMcF9T1_RxI-liXY-P55YpMQVTyuVnA | ||||||
| TXT | google-site-verification=uED-VuolgzLrLJKpAm4AmYaHAvhoq5yBrybDiSrqXWM | ||||||
| TXT | linkedin-site-verification=c4b2c27d-f47d-445f-a837-c1402f1d3ceb | ||||||
| TXT | lq30z1ffy3xwbgrbndvhgbzppbn6fvgg | ||||||
| TXT | sendinblue-code:e62bf57a8c03d7c176f8e59ae89b9887 | ||||||
| TXT | v=spf1 ip4:213.175.89.215 a:mail.telia.lv include:spf.sendinblue.com include:... | ||||||
| HTTPS | HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.26.2.175, 104.26.3.175, 172.67.68.189 | ||||||
| SOA | aliza.ns.cloudflare.comdns@cloudflare.com serial=2400682484 | ||||||
rank #30926 globally
rank #10 in the tld
This domain "rtu.lv" belongs to Riga Technical University, a technical university located in Riga, Latvia. It is the oldest technical university in the Baltics and is considered one of the leading technical universities in Eastern Europe. The "rtu" stands for Riga Technical University and "lv" is the country code top-level domain for Latvia.WOT: SAFE (92/100)
📈 Tranco rank: #44,010
PTR for
Previously NS for
ktf.rtu.lv |
Subdomains
Same first word
Similar names
DNS History
15 records (7 active, 8 former)
○NSdns.telia.lv2007-12-30 → 2021-03-28 · 4 obs
● 2021-03-28 01:27:58
○ 2026-02-15 01:50:02
○ 2026-04-12 13:00:40
○NSktf.rtu.lv2015-06-20 → 2021-03-28 · 5 obs
● 2015-06-20 04:24:48
● 2021-03-28 01:27:58
○ 2026-02-15 01:50:02
○ 2026-04-12 13:00:40
○NSlinuxrulz.de2015-06-20 → 2021-03-28 · 5 obs
● 2015-06-20 04:24:48
● 2021-03-28 01:27:58
○ 2026-02-15 01:50:02
○ 2026-04-12 13:00:40
○NSmephisto.ktf.rtu.lv2007-12-30 → 2021-03-28 · 4 obs
● 2021-03-28 01:27:58
○ 2026-02-15 01:50:02
○ 2026-04-12 13:00:40
○NSnew.stejau.de2015-06-20 → 2021-03-28 · 5 obs
● 2015-06-20 04:24:48
● 2021-03-28 01:27:58
○ 2026-02-15 01:50:02
○ 2026-04-12 13:00:40
○NSns.nic.lv2015-06-20 → 2021-03-28 · 5 obs
● 2015-06-20 04:24:48
● 2021-03-28 01:27:58
○ 2026-02-15 01:50:02
○ 2026-04-12 13:00:40
●NSns.online.lv2026-02-15 → 2026-04-12 · 3 obs
● 2026-02-15 01:50:02
● 2026-04-12 13:00:40
●NSns2.online.lv2026-02-15 → 2026-04-12 · 3 obs
● 2026-02-15 01:50:02
● 2026-04-12 13:00:40
○NSns2.telia.lv2015-06-20 → 2021-03-28 · 5 obs
● 2015-06-20 04:24:48
● 2021-03-28 01:27:58
○ 2026-02-15 01:50:02
○ 2026-04-12 13:00:40
●NSns3.online.lv2026-02-15 → 2026-04-12 · 3 obs
● 2026-02-15 01:50:02
● 2026-04-12 13:00:40
○MXmail.ktf.rtu.lv2007-12-30 → 2007-12-30 · 3 obs
○ 2015-06-20 04:24:48
○ 2026-04-12 13:00:40
●MXmephisto.ktf.rtu.lv2015-06-20 → 2026-04-12 · 3 obs
● 2015-06-20 04:24:48
● 2026-04-12 13:00:40
●MXtarbaby.junkemailfilter.com2015-06-20 → 2026-04-12 · 3 obs
● 2015-06-20 04:24:48
● 2026-04-12 13:00:40
●MXweb.ktf.rtu.lv2015-06-20 → 2026-04-12 · 3 obs
● 2015-06-20 04:24:48
● 2026-04-12 13:00:40
●A213.175.91.12007-12-30 → 2026-04-12 · 2 obs
● 2026-04-12 13:00:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lv | a.nic.lv, b.nic.lv, c.nic.lv, d.nic.lv... | - |
| rtu.lv | tosana.ns.cloudflare.com, aliza.ns.cloudflare.com | - |
| ktf.rtu.lv | ns.online.lv, ns2.online.lv, ns3.online.lv | - |
✅ Authoritative Response
Server:81.198.92.33
NS records: ns.online.lv, ns2.online.lv, ns3.online.lv
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ktf.rtu.lv (unsigned zone)
⏱️ Timing
Total: 1227ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.175.91.1 |
| NS | 3 | ns.online.lv, ns2.online.lv... |
| MX | 3 | mephisto.ktf.rtu.lv (pri: 10), web.ktf.rtu.lv (pri: 150)... |
| TXT | 2 | v=spf1 a mx ptr mx:mephisto.ktf.rtu.lv i, RTU MLKF |
| SOA | 1 | ns.online.lv hostmaster.online.lv |
Analysis
Hierarchy
ktf.rtu.lv is a parent of mephisto.ktf.rtu.lv, mail.ktf.rtu.lv and web.ktf.rtu.lv.
IP Addresses
ktf.rtu.lv points to a single IP number: 213.175.91.1.
Other host names, for instance mephisto.ktf.rtu.lv and mail.ktf.rtu.lv, share IP numbers with ktf.rtu.lv.
Name Servers
The domain ktf.rtu.lv is delegated to three name servers: ns2.online.lv, ns3.online.lv and ns.online.lv.
ktf.rtu.lv shares name servers with other domains at least partially, for instance gutta.lv, 214.198.81.in-addr.arpa, 184.246.87.in-addr.arpa, 189.232.80.in-addr.arpa and 240.232.80.in-addr.arpa.
Host names with two IP numbers:
ns2.online.lv points to 2a02:2330:a:21::2 and 195.122.12.113
ns3.online.lv points to 2603:1020:2:3::9b and 51.104.138.207
ns.online.lv points to 2a02:2330:a:20::2 and 81.198.92.33
Mail Servers
ktf.rtu.lv is handled by three mail servers: tarbaby.junkemailfilter.com, mephisto.ktf.rtu.lv and web.ktf.rtu.lv.
ktf.rtu.lv shares some mail servers with other domains, including netrendex.com, mail.arcticsleddogclub.org, toplevelcom.com, flores.bo and northernrhodesia.org.
These mail servers are often used alongside antispam0.megalink.com, antispam2.megalink.com, antispam3.megalink.com, antispam4.megalink.com, antispam5.megalink.com, mx1.tech.org, mxe.tech.org, mail2.uk-h.net and mail.uk-h.net.
Host names with six IP numbers: tarbaby.junkemailfilter.com points to 184.105.182.215, 184.105.182.216, 184.105.182.217, 184.105.182.225, 184.105.182.226 and 184.105.182.227.
Host names with one IP number:
mephisto.ktf.rtu.lv points to 213.175.91.1.
web.ktf.rtu.lv points to 213.175.91.251.