grubhub.io - robtex.com
grubhub.io
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1273.awsdns-31.org ⭐ | ||||||
| A | 2600:9000:5304:f900::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1273.awsdns-31.org | ||||||
| A | 205.251.196.249🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1273.awsdns-31.org | ||||||
| NS | ns-1558.awsdns-02.co.uk | ||||||
| A | 2600:9000:5306:1600::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1558.awsdns-02.co.uk | ||||||
| A | 205.251.198.22🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1558.awsdns-02.co.uk | ||||||
| NS | ns-831.awsdns-39.net | ||||||
| A | 2600:9000:5303:3f00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-831.awsdns-39.net | ||||||
| A | 205.251.195.63🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-831.awsdns-39.net | ||||||
| NS | ns-9.awsdns-01.com | ||||||
| A | 2600:9000:5300:900::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-9.awsdns-01.com | ||||||
| A | 205.251.192.9🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-9.awsdns-01.com | ||||||
| SOA | ns-1273.awsdns-31.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1778356632 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns-1273.awsdns-31.org2026-03-30 → 2026-05-09 · 2 obs
● 2026-05-09 20:30:40
●NSns-1558.awsdns-02.co.uk2026-03-30 → 2026-05-09 · 2 obs
● 2026-05-09 20:30:40
●NSns-831.awsdns-39.net2026-03-30 → 2026-05-09 · 2 obs
● 2026-05-09 20:30:40
●NSns-9.awsdns-01.com2026-03-30 → 2026-05-09 · 2 obs
● 2026-05-09 20:30:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| grubhub.io | ns-9.awsdns-01.com, ns-831.awsdns-39.net, ns-1273.awsdns-31.org, ns-1558.awsdns-02.co.uk | - |
✅ Authoritative Response
Server:205.251.198.22
NS records: ns-9.awsdns-01.com, ns-831.awsdns-39.net, ns-1273.awsdns-31.org, ns-1558.awsdns-02.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for grubhub.io (unsigned zone)
⏱️ Timing
Total: 944ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1273.awsdns-31.org, ns-1558.awsdns-02.co.uk... |
| SOA | 1 | ns-1273.awsdns-31.org awsdns-hostmaster. |
Analysis
Name Servers
grubhub.io delegates to four name servers: ns-9.awsdns-01.com, ns-831.awsdns-39.net, ns-1273.awsdns-31.org and ns-1558.awsdns-02.co.uk.
grubhub.io at least partially shares name servers with other domains, for instance living-wireless.com, opus-fashion.ro, maintainx.dev, bf-dev.dynatracelabs.com and d24o98uf90fo7r.cloudfront.net.
Host names with two IP numbers: ns-9.awsdns-01.com points to 2600:9000:5300:900::1 and 205.251.192.9; ns-831.awsdns-39.net points to 2600:9000:5303:3f00::1 and 205.251.195.63; ns-1273.awsdns-31.org points to 2600:9000:5304:f900::1 and 205.251.196.249; ns-1558.awsdns-02.co.uk points to 2600:9000:5306:1600::1 and 205.251.198.22.