softwareengineeringguide.info - robtex.com
softwareengineeringguide.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:d1e3🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:5d7e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.93.126Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.209.227🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | jacqueline.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2684🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jacqueline.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c284🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jacqueline.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2284🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jacqueline.ns.cloudflare.com | ||||||
| A | 108.162.194.132🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jacqueline.ns.cloudflare.com | ||||||
| A | 162.159.38.132Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jacqueline.ns.cloudflare.com | ||||||
| A | 172.64.34.132🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jacqueline.ns.cloudflare.com | ||||||
| NS | viddy.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c63🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | viddy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c363🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | viddy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2363🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | viddy.ns.cloudflare.com | ||||||
| A | 108.162.195.99🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | viddy.ns.cloudflare.com | ||||||
| A | 162.159.44.99Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | viddy.ns.cloudflare.com | ||||||
| A | 172.64.35.99🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | viddy.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.93.126, 172.67.209.227 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:d1e3, 2606:4700:3035::6815:5d7e | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com | ||||||
| SOA | jacqueline.ns.cloudflare.comdns@cloudflare.com serial=2411242502 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1785804341 | ||||||
Same first word
softwareengineeringguide.info |
DNS History
6 records (6 active, 0 former)
●NSjacqueline.ns.cloudflare.com2026-07-08 → 2026-08-04 · 2 obs
● 2026-08-04 01:35:38
●NSviddy.ns.cloudflare.com2026-07-08 → 2026-08-04 · 2 obs
● 2026-08-04 01:35:38
●A104.21.93.1262026-07-08 → 2026-08-04 · 2 obs
● 2026-08-04 01:35:38
●A172.67.209.2272026-07-08 → 2026-08-04 · 2 obs
● 2026-08-04 01:35:38
●A2606:4700:3034::ac43:d1e32026-07-08 → 2026-08-04 · 2 obs
● 2026-08-04 01:35:38
●A2606:4700:3035::6815:5d7e2026-07-08 → 2026-08-04 · 2 obs
● 2026-08-04 01:35:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | c0.info.afilias-nst.info, a2.info.afilias-nst.info, a0.info.afilias-nst.info | - |
| softwareengineeringguide.info | viddy.ns.cloudflare.com, jacqueline.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.132
NS records: viddy.ns.cloudflare.com, jacqueline.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for softwareengineeringguide.info (unsigned zone)
⏱️ Timing
Total: 323ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.93.126, 172.67.209.227 |
| AAAA | 2 | 2606:4700:3034::ac43:d1e3, 2606:4700:3035::6815:5d7e |
| NS | 2 | jacqueline.ns.cloudflare.com, viddy.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | jacqueline.ns.cloudflare.com dns.cloudfl |
Analysis
IP Addresses
softwareengineeringguide.info has four IP addresses: 104.21.93.126, 172.67.209.227, 2606:4700:3034::ac43:d1e3 and 2606:4700:3035::6815:5d7e.
Two other host names, along with venothrialoqe.com, snapixa.co and skinscienceco.com, also share IP numbers with softwareengineeringguide.info.
Name Servers
softwareengineeringguide.info is served by two delegated name servers, jacqueline.ns.cloudflare.com and viddy.ns.cloudflare.com.
softwareengineeringguide.info shares its NS records with other domains, for example cloudcomputingresource.info, digitalmarketingacademy.info, dprd-tambrauwkab.com and two others.
softwareengineeringguide.info partially shares its NS delegation with several other domains, including gdlthb.com, univoltaire.com.br, crazyphotoz.buzz and two others.
These name servers are regularly seen alongside gabe.ns.cloudflare.com and osmar.ns.cloudflare.com as name servers.
DNS names with 6 IP addresses:
jacqueline.ns.cloudflare.com carries IP addresses 108.162.194.132, 162.159.38.132 and 172.64.34.132, with 3 other addresses beyond those.
viddy.ns.cloudflare.com carries IP addresses 108.162.195.99, 162.159.44.99 and 172.64.35.99, with 3 other addresses beyond those.