sref.info - dns.ninja
sref.info
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=1782231776 | ||||||
Previously NS for
Previously MX for
Subdomains
Same first word
Similar names
DNS History
20 records (12 active, 8 former)
○NSdns1.sref.info2008-03-20 → 2016-12-24 · 4 obs
● 2016-12-24 06:28:06
○ 2026-03-15 12:10:56
○ 2026-06-23 16:31:34
○NSdns2.sref.info2008-03-20 → 2016-12-24 · 4 obs
● 2016-12-24 06:28:06
○ 2026-03-15 12:10:56
○ 2026-06-23 16:31:34
○NSdns3.sref.info2008-03-20 → 2016-12-24 · 4 obs
● 2016-12-24 06:28:06
○ 2026-03-15 12:10:56
○ 2026-06-23 16:31:34
○NSdns4.sref.info2016-04-23 → 2016-04-23 · 4 obs
● 2016-04-23 19:41:22
○ 2016-11-28 22:36:40
○ 2026-06-23 16:31:34
○NSdns5.sref.info2016-04-23 → 2016-12-24 · 5 obs
● 2016-04-23 19:41:22
● 2016-12-24 06:28:06
○ 2026-03-15 12:10:56
○ 2026-06-23 16:31:34
●NSns-1344.awsdns-40.org2026-03-15 → 2026-06-23 · 3 obs
● 2026-03-15 12:10:56
● 2026-06-23 16:31:34
●NSns-171.awsdns-21.com2026-03-15 → 2026-06-23 · 3 obs
● 2026-03-15 12:10:56
● 2026-06-23 16:31:34
●NSns-1909.awsdns-46.co.uk2026-03-15 → 2026-06-23 · 3 obs
● 2026-03-15 12:10:56
● 2026-06-23 16:31:34
●NSns-947.awsdns-54.net2026-03-15 → 2026-06-23 · 3 obs
● 2026-03-15 12:10:56
● 2026-06-23 16:31:34
○NSsref.info2015-06-28 → 2016-11-28 · 5 obs
● 2015-06-28 12:56:18
● 2016-11-28 22:36:40
○ 2016-12-24 06:28:06
○ 2026-06-23 16:31:34
●MXalt1.aspmx.l.google.com2008-03-20 → 2026-06-23 · 2 obs
● 2026-06-23 16:31:34
●MXalt2.aspmx.l.google.com2008-03-20 → 2026-06-23 · 2 obs
● 2026-06-23 16:31:34
●MXaspmx.l.google.com2008-03-20 → 2026-06-23 · 2 obs
● 2026-06-23 16:31:34
●MXaspmx2.googlemail.com2008-03-20 → 2026-06-23 · 2 obs
● 2026-06-23 16:31:34
●MXaspmx3.googlemail.com2008-03-20 → 2026-06-23 · 2 obs
● 2026-06-23 16:31:34
●MXaspmx4.googlemail.com2008-03-20 → 2026-06-23 · 2 obs
● 2026-06-23 16:31:34
●MXaspmx5.googlemail.com2008-03-20 → 2026-06-23 · 2 obs
● 2026-06-23 16:31:34
○A128.192.118.862015-06-28 → 2016-12-24 · 5 obs
● 2015-06-28 12:56:18
● 2016-12-24 06:28:06
○ 2026-03-15 12:10:56
○ 2026-06-23 16:31:34
○A128.192.48.642008-03-20 → 2008-03-20 · 3 obs
○ 2015-06-28 12:56:18
○ 2026-06-23 16:31:34
●A52.44.70.1492026-03-15 → 2026-06-23 · 3 obs
● 2026-03-15 12:10:56
● 2026-06-23 16:31:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| sref.info | ns-1344.awsdns-40.org, ns-947.awsdns-54.net, ns-171.awsdns-21.com, ns-1909.awsdns-46.co.uk | - |
✅ Authoritative Response
Server:205.251.197.64
NS records: ns-1344.awsdns-40.org, ns-947.awsdns-54.net, ns-171.awsdns-21.com, ns-1909.awsdns-46.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sref.info (unsigned zone)
⏱️ Timing
Total: 820ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.44.70.149 |
| NS | 4 | ns-1344.awsdns-40.org, ns-171.awsdns-21.com... |
| MX | 7 | aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)... |
| TXT | 4 | AWS Route 53, SREF - Southern Regional Extension Fores... |
| SOA | 1 | ns-1344.awsdns-40.org awsdns-hostmaster. |
Analysis
Hierarchy
The domain sref.info serves as parent to dns5.sref.info, dns3.sref.info, herschel.sref.info, dns1.sref.info and dns2.sref.info.
IP Addresses
sref.info resolves to one IP address: 52.44.70.149.
www.pinemap.org, pinemap.org, firewoodscout.org and two other host names share IP numbers with sref.info.
Name Servers
The authoritative name servers for sref.info are ns-171.awsdns-21.com, ns-947.awsdns-54.net, ns-1344.awsdns-40.org and ns-1909.awsdns-46.co.uk.
At least some of sref.info's name servers are shared with other domains, for example icfaiuniversity.in, galadrim.fr, d16m6hcpapyf3f.cloudfront.net and two more.
These name servers tend to co-occur with ns-294.awsdns-36.com, ns-1294.awsdns-33.org, ns-1982.awsdns-55.co.uk and 3 other name servers in the same DNS delegations.
Four hostnames, each resolving to a pair of IP addresses: ns-171.awsdns-21.com directs to 205.251.192.171 and 2600:9000:5300:ab00::1; ns-947.awsdns-54.net directs to 205.251.195.179 and 2600:9000:5303:b300::1; ns-1344.awsdns-40.org directs to 205.251.197.64 and 2600:9000:5305:4000::1; ns-1909.awsdns-46.co.uk directs to 205.251.199.117 and 2600:9000:5307:7500::1.
Mail Servers
sref.info uses 7 mail servers for delivery: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.
sref.info has at least partial mail server overlap with other domains such as uxdart.com, agiledatasecurity.com, ns500794.ns500821.ns500841.ns500841.ns500841.ns500821.ns500821.ns500795.ns500794.ns500821.ns500794.ns500821.ns500821.ns500795.ns500790.ns500795.lustypartnersfinder.com and two more.
These mail servers commonly co-occur with mail servers alt2.aspmx.l.google.com, aspmx.l.google.com, alt1.aspmx.l.google.com and 3 others.
Hostnames that resolve to two IP addresses:
aspmx2.googlemail.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.
aspmx4.googlemail.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1b.
aspmx5.googlemail.com points to 172.253.157.26 and 2a00:1450:400c:c23::1a.
aspmx.l.google.com points to 172.253.63.27 and 2607:f8b0:4004:c1f::1a.
alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 2a00:1450:400b:c02::1a IP addresses.