`c1stcu.com`

DNSSEC	⚠️ Not signed
A	35.170.218.136^{🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix}
		PTR	`ec2-35-170-218-136.compute-1.amazonaws.com`
NS	`ns81.worldnic.com` ⭐
		A	162.159.26.131^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns82.worldnic.com`
		A	162.159.27.117^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`c1stcu-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01703.inbound.protection.outlook.com`
		A	2a01:111:f403:c931::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mn2pr04cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr02cu00402.inbound.protection.outlook.com`
		A	52.101.8.51^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm1pr04cu00203.inbound.protection.outlook.com`
		A	52.101.10.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr03cu00202.inbound.protection.outlook.com`
		A	52.101.41.183^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00307.inbound.protection.outlook.com`
		A	52.101.194.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00200.inbound.protection.outlook.com`
TXT	`atlassian-domain-verification=O4lKF/8N5A7wEBSPulx9TMfyubDZCb2a9hyiQPuCeNInwjJ...`
TXT	`adobe-sign-verification=f54b468f50b6795725f2971f6cb48c3d`
TXT	`MS=CBA17E3DA21398A22C6A889E8681FF23B89FF2D2`
TXT	`apple-domain-verification=xvQ1WrDZhsyS0avh`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include...`
SOA	`NS81.WORLDNIC.com`namehost@WORLDNIC.com serial=126020211

`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=1774666007

Subdomains

secure.c1stcu.com

Same first word

c1stcu.com

Similar names

1stccu.org

1stccu.com

DNS History

7 records (4 active, 3 former)

●NSns81.worldnic.com2015-05-11 → 2026-03-28 · 2 obs

● 2015-05-11 08:24:52
● 2026-03-28 02:57:26

●NSns82.worldnic.com2015-05-11 → 2026-03-28 · 2 obs

● 2015-05-11 08:24:52
● 2026-03-28 02:57:26

●MXc1stcu-com.mail.protection.outlook.com2026-03-04 → 2026-03-28 · 3 obs

○ 2017-07-18 21:45:14
● 2026-03-04 15:04:08
● 2026-03-28 02:57:26

○MXmail.c1stcreditunion.com2015-05-11 → 2017-07-18 · 4 obs

● 2015-05-11 08:24:52
● 2017-07-18 21:45:14
○ 2026-03-04 15:04:08
○ 2026-03-28 02:57:26

○A216.161.117.102015-05-11 → 2015-05-11 · 3 obs

● 2015-05-11 08:24:52
○ 2015-10-16 13:27:10
○ 2026-03-28 02:57:26

○A23.23.93.322015-10-16 → 2017-07-18 · 5 obs

○ 2015-05-11 08:24:52
● 2015-10-16 13:27:10
● 2017-07-18 21:45:14
○ 2026-03-04 15:04:08
○ 2026-03-28 02:57:26

●A35.170.218.1362026-03-04 → 2026-03-28 · 3 obs

○ 2017-07-18 21:45:14
● 2026-03-04 15:04:08
● 2026-03-28 02:57:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...	-
c1stcu.com	ns81.worldnic.com, ns82.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.117

NS records: ns81.worldnic.com, ns82.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c1stcu.com (unsigned zone)

⏱️ Timing

Total: 291ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`35.170.218.136`
NS	2	`ns82.worldnic.com, ns81.worldnic.com`
MX	1	`c1stcu-com.mail.protection.outlook.com (`
TXT	5	`atlassian-domain-verification=O4lKF/8N5A, adobe-sign-verification=f54b468f50b67957...`
SOA	1	`NS81.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns81.worldnic.com, ns82.worldnic.com)

Analysis

Hierarchy

c1stcu.com is the parent of secure.c1stcu.com.

IP Addresses

c1stcu.com resolves to a single IP address: 35.170.218.136.

Other host names including ah129.annettholdings.com, c1stcreditunion.com, affiliatesmgt.com, www.tmctrans.com and ah153.annettholdings.com share IP numbers with c1stcu.com.

Name Servers

c1stcu.com's delegation uses two name servers, ns81.worldnic.com and ns82.worldnic.com.

c1stcu.com shares the same name server setup as other domains, for example mnecloud.com, lpiny.net, synergytsi.com, marinemagnet.com and dti-inc.net.

Host names with a single IP:

ns81.worldnic.com points to 162.159.26.131.

ns82.worldnic.com points to 162.159.27.117.

Mail Servers

c1stcu.com is handled by a single mail server, c1stcu-com.mail.protection.outlook.com.

Hostname c1stcu-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::3, 2a01:111:f403:c931::, 2a01:111:f403:f901::, 2a01:111:f403:f901::2, 52.101.8.51, 52.101.10.2, 52.101.41.183 and 52.101.194.0.

c1stcu.com - robtex.com

c1stcu.com

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