df.rtu.lv - robtex.com
df.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=2402838700 | ||||||
rank #30620 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: #46,160
Subdomains
mail.df.rtu.lv |
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
○NSdns.telia.lv2015-08-31 → 2021-03-27 · 4 obs
● 2021-03-27 21:41:14
○ 2026-02-15 18:27:16
○ 2026-04-28 19:55:58
●NSns.online.lv2026-02-15 → 2026-04-28 · 3 obs
● 2026-02-15 18:27:16
● 2026-04-28 19:55:58
●NSns2.online.lv2026-02-15 → 2026-04-28 · 3 obs
● 2026-02-15 18:27:16
● 2026-04-28 19:55:58
○NSns2.telia.lv2015-08-31 → 2021-03-27 · 4 obs
● 2021-03-27 21:41:14
○ 2026-02-15 18:27:16
○ 2026-04-28 19:55:58
●NSns3.online.lv2026-02-15 → 2026-04-28 · 3 obs
● 2026-02-15 18:27:16
● 2026-04-28 19:55:58
●MXdf-rtu-lv.mail.protection.outlook.com2021-03-27 → 2026-04-28 · 3 obs
● 2021-03-27 21:41:14
● 2026-04-28 19:55:58
○MXmail.df.rtu.lv2015-08-31 → 2017-01-12 · 4 obs
● 2017-01-12 18:19:10
○ 2021-03-27 21:41:14
○ 2026-04-28 19:55:58
○MXmail2.telia.lv2015-08-31 → 2017-01-12 · 4 obs
● 2017-01-12 18:19:10
○ 2021-03-27 21:41:14
○ 2026-04-28 19:55:58
○A213.175.88.1972015-08-31 → 2016-09-01 · 4 obs
● 2016-09-01 18:54:00
○ 2016-09-09 20:17:54
○ 2026-04-28 19:55:58
○A213.175.89.1622016-09-09 → 2017-01-12 · 5 obs
● 2016-09-09 20:17:54
● 2017-01-12 18:19:10
○ 2021-03-27 21:41:14
○ 2026-04-28 19:55:58
●A213.175.89.1782021-03-27 → 2026-04-28 · 3 obs
● 2021-03-27 21:41:14
● 2026-04-28 19:55:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lv | d.nic.lv, a.nic.lv, b.nic.lv, c.nic.lv... | - |
| rtu.lv | aliza.ns.cloudflare.com, tosana.ns.cloudflare.com | - |
| df.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 df.rtu.lv (unsigned zone)
⏱️ Timing
Total: 1449ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.175.89.178 |
| NS | 3 | ns.online.lv, ns2.online.lv... |
| MX | 1 | df-rtu-lv.mail.protection.outlook.com (p |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns.online.lv hostmaster.online.lv |
Analysis
Hierarchy
df.rtu.lv is the parent of mail.df.rtu.lv.
IP Addresses
df.rtu.lv resolves to one IP number: 213.175.89.178.
Other host names, for instance tmf.rtu.lv, web10.rtu.lv, grid.rtu.lv and grid.etf.rtu.lv share IP numbers with df.rtu.lv.
Name Servers
df.rtu.lv is delegated to three name servers ns2.online.lv, ns3.online.lv and ns.online.lv.
df.rtu.lv at least partially shares name servers with other domains, for instance 252.13.195.in-addr.arpa, 200.13.195.in-addr.arpa, 195.28.78.in-addr.arpa, scc.lv and 123.198.81.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
df.rtu.lv is handled by a single mail server, df-rtu-lv.mail.protection.outlook.com.
Host df-rtu-lv.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::e, 2a01:111:f403:ca09::1, 2a01:111:f403:ca09::d, 52.101.73.1, 52.101.73.16, 52.101.73.26 and 52.101.73.30.