udcourse.com - robtex.com
udcourse.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
rank #358054 in the tld
Same first word
udcourse.com |
Similar names
DNS History
9 records (9 active, 0 former)
●NSdavina.ns.cloudflare.com2026-02-15 → 2026-03-24 · 2 obs
● 2026-03-24 07:56:22
●NStroy.ns.cloudflare.com2026-02-15 → 2026-03-24 · 2 obs
● 2026-03-24 07:56:22
●MXsmtp.google.com2026-02-15 → 2026-03-24 · 2 obs
● 2026-03-24 07:56:22
●A104.26.2.1342026-02-15 → 2026-03-24 · 2 obs
● 2026-03-24 07:56:22
●A104.26.3.1342026-02-15 → 2026-03-24 · 2 obs
● 2026-03-24 07:56:22
●A172.67.75.872026-02-15 → 2026-03-24 · 2 obs
● 2026-03-24 07:56:22
●A2606:4700:20::681a:2862026-02-15 → 2026-03-24 · 2 obs
● 2026-03-24 07:56:22
●A2606:4700:20::681a:3862026-02-15 → 2026-03-24 · 2 obs
● 2026-03-24 07:56:22
●A2606:4700:20::ac43:4b572026-02-15 → 2026-03-24 · 2 obs
● 2026-03-24 07:56:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| udcourse.com | davina.ns.cloudflare.com, troy.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.40
NS records: davina.ns.cloudflare.com, troy.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for udcourse.com (unsigned zone)
⏱️ Timing
Total: 507ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 104.26.2.134, 104.26.3.134... |
| AAAA | 3 | 2606:4700:20::681a:286, 2606:4700:20::681a:386... |
| NS | 2 | davina.ns.cloudflare.com, troy.ns.cloudflare.com |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | davina.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (davina.ns.cloudflare.com, davina.ns.cloudflare.com, davina.ns.cloudflare.com...)
Analysis
IP Addresses
udcourse.com points to six IP numbers: 2606:4700:20::681a:286, 2606:4700:20::681a:386, 2606:4700:20::ac43:4b57, 104.26.2.134, 104.26.3.134 and 172.67.75.87.
other host names include golftroop.com, eateasy.ae, epictv.com, ascenti.co.uk and andalus.com.kw; they share IP numbers with udcourse.com.
Name Servers
Two name servers davina.ns.cloudflare.com and troy.ns.cloudflare.com handle the delegation for udcourse.com.
udcourse.com shares the same name server setup as other domains, for instance jkbpp.com, bdbmetal.com.tr, sh-dongang.com, cjskb.cn and gyglyl.com.
udcourse.com at least partially shares name servers with other domains, for instance taekwondocentre.org, systemintegration.be, bevinsmotors.com, re-yo.com and lodeva.com.
These name servers are commonly used alongside logan.ns.cloudflare.com, rachel.ns.cloudflare.com and brenna.ns.cloudflare.com.
Six IP addresses per host:
davina.ns.cloudflare.com points to 2606:4700:50::a29f:2628, 2803:f800:50::6ca2:c228, 2a06:98c1:50::ac40:2228, 108.162.194.40, 162.159.38.40 and 172.64.34.40; troy.ns.cloudflare.com points to 2606:4700:58::a29f:2cda, 2803:f800:50::6ca2:c3da, 2a06:98c1:50::ac40:23da, 108.162.195.218, 162.159.44.218 and 172.64.35.218
Mail Servers
udcourse.com is handled by a single mail server, smtp.google.com.
udcourse.com uses the same mail server setup as other domains, for instance guhsaa.org, drpaiu.edu.in, dealday.io, iecsemanipal.com and thepier.org.
udcourse.com shares at least partially some mail servers with other domains, for instance lvbpower.com, norsfell.com, sabaerospace.cz, koreastore.fr and beachmeto.com.
These mail servers are often used together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and aspmx.l.google.com.
Hostname smtp.google.com points to nine IP numbers: 2607:f8b0:4023:c06::1a, 2607:f8b0:4023:c06::1b, 2607:f8b0:4023:c0b::1a, 2607:f8b0:4023:c0b::1b, 142.250.101.26, 142.250.101.27, 142.250.141.26, 142.250.141.27 and 142.251.2.26.