function1systems.com - dns.ninja

`function1systems.com`

DNSSEC	⚠️ Not signed
A	74.111.35.208^{🇺🇸 AS70174.111.0.0/18 MCI Communications Services, LLC d/b/a Verizon Business}
		PTR	`host4.f1software.net`
NS	`ns1.softlayer.com` ⭐
		A	2607:f0d0:0:f:1::1^{🇺🇸 SOFTLAYER2607:f0d0::/32 -6-1}
			PTR	`ns1.softlayer.com`
		A	67.228.254.4^{🇺🇸 SOFTLAYER67.228.254.0/23 -anycast02}
			PTR	`4.fe.e443.ip4.static.sl-reverse.com`
NS	`ns1.ev1servers.net` ⚠️ Not in zone NS records
		A	207.218.247.135^{🇺🇸 SOFTLAYER207.218.192.0/18 -4-15.18}
			PTR	`ns1.theplanet.com`
NS	`ns1.theplanet.com` ⚠️ Not in parent delegation
		A	2607:f0d0:0:f:6::1^{🇺🇸 SOFTLAYER2607:f0d0::/32 -6-1}
		A	207.218.247.135^{🇺🇸 SOFTLAYER207.218.192.0/18 -4-15.18}
			PTR	`ns1.theplanet.com`
NS	`ns2.ev1servers.net` ⚠️ Not in zone NS records
		A	207.218.223.162^{🇺🇸 SOFTLAYER207.218.192.0/18 -4-15.18}
			PTR	`ns2.theplanet.com`
NS	`ns2.theplanet.com` ⚠️ Not in parent delegation
		A	2607:f0d0:0:f:6::2^{🇺🇸 SOFTLAYER2607:f0d0::/32 -6-1}
		A	207.218.223.162^{🇺🇸 SOFTLAYER207.218.192.0/18 -4-15.18}
			PTR	`ns2.theplanet.com`
MX	`function1systems-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c901::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr04cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::5^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch4pr21cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00202.inbound.protection.outlook.com`
		A	52.101.9.5^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr04cu00205.inbound.protection.outlook.com`
		A	52.101.10.8^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr04cu00100.inbound.protection.outlook.com`
		A	52.101.40.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr03cu00106.inbound.protection.outlook.com`
		A	52.101.194.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch4pr04cu00104.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms91452466`
SOA	`ns1.softlayer.com`root@function1systems.com 2026-05-06 #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.net`nstld@verisign-grs.com serial=1783168871

Subdomains

mail.function1systems.com

Same first word

function1systems.com

DNS History

11 records (7 active, 4 former)

●NSns1.ev1servers.net2026-02-26 → 2026-07-04 · 3 obs

○ 2015-06-21 11:39:16
● 2026-02-26 04:03:18
● 2026-07-04 13:03:44

●NSns1.softlayer.com2026-02-26 → 2026-07-04 · 3 obs

○ 2015-06-21 11:39:16
● 2026-02-26 04:03:18
● 2026-07-04 13:03:44

●NSns1.theplanet.com2015-06-21 → 2026-07-04 · 2 obs

● 2015-06-21 11:39:16
● 2026-07-04 13:03:44

●NSns2.ev1servers.net2026-02-26 → 2026-07-04 · 3 obs

○ 2015-06-21 11:39:16
● 2026-02-26 04:03:18
● 2026-07-04 13:03:44

●NSns2.theplanet.com2015-06-21 → 2026-07-04 · 2 obs

● 2015-06-21 11:39:16
● 2026-07-04 13:03:44

●MXfunction1systems-com.mail.protection.outlook.com2026-02-26 → 2026-07-04 · 3 obs

○ 2018-11-21 03:17:40
● 2026-02-26 04:03:18
● 2026-07-04 13:03:44

○MXmail.functionone.com2015-06-21 → 2018-11-21 · 4 obs

● 2015-06-21 11:39:16
● 2018-11-21 03:17:40
○ 2026-02-26 04:03:18
○ 2026-07-04 13:03:44

●A74.111.35.2082026-07-04 → 2026-07-04 · 2 obs

○ 2026-03-26 00:08:50
● 2026-07-04 13:03:44

○A74.111.35.2112017-01-28 → 2018-11-21 · 5 obs

○ 2016-05-11 00:20:02
● 2017-01-28 20:16:16
● 2018-11-21 03:17:40
○ 2026-02-26 04:03:18
○ 2026-07-04 13:03:44

○A74.111.35.2122026-02-26 → 2026-03-26 · 4 obs

○ 2018-11-21 03:17:40
● 2026-02-26 04:03:18
● 2026-03-26 00:08:50
○ 2026-07-04 13:03:44

○A74.53.250.1302015-06-21 → 2016-05-11 · 4 obs

● 2015-06-21 11:39:16
● 2016-05-11 00:20:02
○ 2017-01-28 20:16:16
○ 2026-07-04 13:03:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
function1systems.com	ns2.ev1servers.net, ns1.ev1servers.net	-

✅ Authoritative Response

Server:207.218.247.135

NS records: ns2.ev1servers.net, ns1.ev1servers.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for function1systems.com (unsigned zone)

⏱️ Timing

Total: 459ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.111.35.208`
NS	2	`ns1.theplanet.com, ns2.theplanet.com`
MX	1	`function1systems-com.mail.protection.out`
TXT	2	`MS=ms91452466, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.softlayer.com root.function1systems.`

Analysis

Hierarchy

function1systems.com serves as the parent of mail.function1systems.com.

IP Addresses

function1systems.com directs to one IP number, which is 74.111.35.208.

Among the host names that share IP numbers with function1systems.com are dnbd.net, www.functionone.com, sl2construction.com and two others.

Name Servers

The authoritative name servers for function1systems.com are ns1.softlayer.com, ns1.theplanet.com, ns2.theplanet.com and two others.

function1systems.com has at least partial name server overlap with other domains, such as 248.234.216.in-addr.arpa, 47.1243.static.theplanet.com, 181.44.207.in-addr.arpa and two others.

ns1.ev1servers.net, ns2.ev1servers.net and ns3.arpa.networklayer.com — plus 4 other name servers — are commonly paired with these name servers.

Hosts with two IP numbers each:

ns1.softlayer.com directs traffic to 67.228.254.4 and 2607:f0d0:0:f:1::1.

ns1.theplanet.com directs traffic to 207.218.247.135 and 2607:f0d0:0:f:6::1.

ns2.theplanet.com directs traffic to 207.218.223.162 and 2607:f0d0:0:f:6::2.

Hosts that resolve to one IP address:

ns1.ev1servers.net has the IP address 207.218.247.135.

ns2.ev1servers.net has the IP address 207.218.223.162.

Both ns1.theplanet.com and ns1.ev1servers.net resolve to 207.218.247.135 IP addresses each.

Both ns2.theplanet.com and ns2.ev1servers.net resolve to 207.218.223.162 IP addresses each.

Mail Servers

function1systems.com routes its mail through a single mail server, function1systems-com.mail.protection.outlook.com.

function1systems-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.9.5, 52.101.10.8 and 52.101.40.6, along with 5 other.