iris.ac - dns.ninja
iris.ac
ac
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.ac ⭐ | ||||||
| NS | a2.nic.ac | ||||||
| NS | b0.nic.ac | ||||||
| NS | c0.nic.ac | ||||||
| SOA | a0.nic.achostmaster@donuts.email serial=1785815768 | ||||||
PTR for
Subdomains
Same first word
Similar names
DNS History
10 records (8 active, 2 former)
○NS82.138.233.2422015-07-25 → 2015-07-25 · 3 obs
○ 2015-09-11 12:38:40
○ 2026-08-04 04:50:24
●MXalt1.aspmx.l.google.com2015-07-25 → 2026-08-04 · 2 obs
● 2026-08-04 04:50:24
●MXalt2.aspmx.l.google.com2015-07-25 → 2026-08-04 · 2 obs
● 2026-08-04 04:50:24
●MXaspmx.l.google.com2015-07-25 → 2026-08-04 · 2 obs
● 2026-08-04 04:50:24
●MXaspmx2.googlemail.com2015-07-25 → 2026-08-04 · 2 obs
● 2026-08-04 04:50:24
●MXaspmx3.googlemail.com2015-07-25 → 2026-08-04 · 2 obs
● 2026-08-04 04:50:24
●A57.128.140.2162026-02-16 → 2026-08-04 · 3 obs
● 2026-02-16 21:51:22
● 2026-08-04 04:50:24
○A82.138.233.2422015-07-25 → 2016-11-23 · 4 obs
● 2016-11-23 18:53:10
○ 2026-02-16 21:51:22
○ 2026-08-04 04:50:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ac | a0.nic.ac, a2.nic.ac, b0.nic.ac, c0.nic.ac | 8 records |
| iris.ac | dns0.sds.ac, dns1.sds.ac | 2 records |
✅ Authoritative Response
Server:77.95.34.90
NS records: dns0.sds.ac, dns1.sds.ac
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for iris.ac (unsigned zone)
⏱️ Timing
Total: 396ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 57.128.140.216 |
| NS | 2 | dns1.sds.ac, dns0.sds.ac |
| MX | 5 | ASPMX2.GOOGLEMAIL.COM (pri: 20), ASPMX3.GOOGLEMAIL.COM (pri: 30)... |
| TXT | 1 | v=spf1 include:_spf.google.com ip4:77.95 |
| SOA | 1 | dns0.sds.ac iris-support.sds.ac |
📌 Glue Records Collected
Total: 10
In-bailiwick: 8 (a0.nic.ac, a2.nic.ac, b0.nic.ac...)
Out-of-bailiwick: 2 (dns1.sds.ac, dns0.sds.ac)
Analysis
Hierarchy
The parent domain of portal.iris.ac and www.iris.ac is iris.ac.
IP Addresses
iris.ac directs to one IP number, which is 57.128.140.216.
www.iris.ac, dev.irisadapt.com and irisadapt.com are examples of other host names that share IP numbers with iris.ac.
Name Servers
iris.ac is served by two delegated name servers, dns0.sds.ac and dns1.sds.ac.
Other domains share the same name server configuration as iris.ac, for example sds.ac.
There is an overlap in name servers between iris.ac and other domains, for example adaptsoft.co.uk, adapt.email and irisadapt.com
It is common to see these name servers used together with name servers ns1.box.adapt.email and ns2.box.adapt.email.
dns0.sds.ac directs to 77.95.34.90 and dns1.sds.ac directs to 77.95.34.91; each host name points to exactly one IP number.
Mail Servers
iris.ac is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
iris.ac shares at least some of its mail servers with other domains — for example losangelespost.com, striation6.com, ns500759.ns500759.ns500759.ns500698.ns500736.ns500735.ns500735.ns500735.ns500708.ns500698.ns500708.ns500576.ns500619.ns500619.trackreceptor.com and two more.
It is common to find these mail servers paired with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.
Hosts with two IP numbers each:
aspmx2.googlemail.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx.l.google.com maps to two IP addresses — 172.253.122.26 and 2607:f8b0:4004:c09::1a.
alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1b.
These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 108.177.123.27 IP addresses.