slack-github.com - dns.ninja
slack-github.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 98.84.173.47🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix | ||||||
| PTR | ec2-98-84-173-47.compute-1.amazonaws.com | ||||||
| NS | ns-1205.awsdns-22.org ⭐ | ||||||
| A | 2600:9000:5304:b500::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1205.awsdns-22.org | ||||||
| A | 205.251.196.181🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1205.awsdns-22.org | ||||||
| NS | ns-1594.awsdns-07.co.uk | ||||||
| A | 2600:9000:5306:3a00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1594.awsdns-07.co.uk | ||||||
| A | 205.251.198.58🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1594.awsdns-07.co.uk | ||||||
| NS | ns-457.awsdns-57.com | ||||||
| A | 2600:9000:5301:c900::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-457.awsdns-57.com | ||||||
| A | 205.251.193.201🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-457.awsdns-57.com | ||||||
| NS | ns-837.awsdns-40.net | ||||||
| A | 2600:9000:5303:4500::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-837.awsdns-40.net | ||||||
| A | 205.251.195.69🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-837.awsdns-40.net | ||||||
| TXT | v=spf1 include:amazonses.com ~all | ||||||
| SOA | ns-1205.awsdns-22.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
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=1786558914 | ||||||
Same first word
slack-github.com |
DNS History
8 records (5 active, 3 former)
●NSns-1205.awsdns-22.org2016-12-18 → 2026-08-12 · 2 obs
● 2026-08-12 18:37:10
●NSns-1594.awsdns-07.co.uk2016-12-18 → 2026-08-12 · 2 obs
● 2026-08-12 18:37:10
●NSns-457.awsdns-57.com2016-12-18 → 2026-08-12 · 2 obs
● 2026-08-12 18:37:10
●NSns-837.awsdns-40.net2016-12-18 → 2026-08-12 · 2 obs
● 2026-08-12 18:37:10
○A3.80.78.1822026-03-10 → 2026-06-02 · 5 obs
● 2026-03-10 17:54:56
● 2026-06-02 00:46:58
○ 2026-07-24 22:38:06
○ 2026-08-12 18:37:10
○A54.164.89.1602016-12-18 → 2016-12-18 · 3 obs
○ 2017-08-17 22:58:14
○ 2026-08-12 18:37:10
○A54.86.218.1682017-08-17 → 2017-08-17 · 4 obs
● 2017-08-17 22:58:14
○ 2026-03-10 17:54:56
○ 2026-08-12 18:37:10
●A98.84.173.472026-07-24 → 2026-08-12 · 3 obs
● 2026-07-24 22:38:06
● 2026-08-12 18:37:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| slack-github.com | ns-457.awsdns-57.com, ns-837.awsdns-40.net, ns-1205.awsdns-22.org, ns-1594.awsdns-07.co.uk | 2 records |
✅ Authoritative Response
Server:205.251.198.58
NS records: ns-457.awsdns-57.com, ns-837.awsdns-40.net, ns-1205.awsdns-22.org, ns-1594.awsdns-07.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for slack-github.com (unsigned zone)
⏱️ Timing
Total: 287ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 98.84.173.47 |
| NS | 4 | ns-1205.awsdns-22.org, ns-1594.awsdns-07.co.uk... |
| TXT | 1 | v=spf1 include:amazonses.com ~all |
| SOA | 1 | ns-1205.awsdns-22.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-457.awsdns-57.com, ns-457.awsdns-57.com)
Analysis
IP Addresses
slack-github.com directs to one IP number, which is 98.84.173.47.
Name Servers
The domain slack-github.com is delegated to these four name servers: ns-457.awsdns-57.com, ns-837.awsdns-40.net, ns-1205.awsdns-22.org and ns-1594.awsdns-07.co.uk.
The name servers of slack-github.com overlap at least partially with those of other domains — among them mobisummer-inc.com, msnbc.cm, northamericanicsc.com and two more.
These name servers commonly co-occur with the name servers ns1-24-ap-east-1.ec2-rdns.amazonaws.com, ns2-24-ap-east-1.ec2-rdns.amazonaws.com, ns3-24-ap-east-1.ec2-rdns.amazonaws.com and ns4-24-ap-east-1.ec2-rdns.amazonaws.com.
Each of the four hosts ns-457.awsdns-57.com, ns-837.awsdns-40.net, ns-1205.awsdns-22.org and ns-1594.awsdns-07.co.uk has two IP addresses. ns-457.awsdns-57.com points to 205.251.193.201 and 2600:9000:5301:c900::1. ns-837.awsdns-40.net points to 205.251.195.69 and 2600:9000:5303:4500::1. ns-1205.awsdns-22.org points to 205.251.196.181 and 2600:9000:5304:b500::1. ns-1594.awsdns-07.co.uk points to 205.251.198.58 and 2600:9000:5306:3a00::1.