swfirst.com - robtex.com

swfirst.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:cf2b🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:4d6a🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.77.106Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.207.43🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlindsey.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2605🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlindsey.ns.cloudflare.com
A2803:f800:50::6ca2:c205🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlindsey.ns.cloudflare.com
A2a06:98c1:50::ac40:2205🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlindsey.ns.cloudflare.com
A108.162.194.5🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlindsey.ns.cloudflare.com
A162.159.38.5Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlindsey.ns.cloudflare.com
A172.64.34.5🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlindsey.ns.cloudflare.com
NSnolan.ns.cloudflare.com
A2606:4700:58::a29f:2c38🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnolan.ns.cloudflare.com
A2803:f800:50::6ca2:c338🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnolan.ns.cloudflare.com
A2a06:98c1:50::ac40:2338🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnolan.ns.cloudflare.com
A108.162.195.56🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnolan.ns.cloudflare.com
A162.159.44.56Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnolan.ns.cloudflare.com
A172.64.35.56🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnolan.ns.cloudflare.com
MXswfirst-com.mail.protection.outlook.com ⭐
A2a01:111:f403:c91d::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-mw2pr04cu00100.inbound.protection.outlook.com
A2a01:111:f403:c91d::a🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-co1pr21cu00202.inbound.protection.outlook.com
A2a01:111:f403:c922::2🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bl0pr02cu00702.inbound.protection.outlook.com
A2a01:111:f403:c927::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bn6pr21cu00500.inbound.protection.outlook.com
A52.101.9.20🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl0pr02cu00604.inbound.protection.outlook.com
A52.101.10.1🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn6pr02cu00301.inbound.protection.outlook.com
A52.101.10.12🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn1pr21cu00204.inbound.protection.outlook.com
A52.101.41.6🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj0pr03cu01406.inbound.protection.outlook.com
TXTMS=ms43765030
TXTbrevo-code:4db10df5f2be3ec893858c01456d1a60
TXTv=spf1 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.77.106, 172.67.207.43
IPv6 hints2606:4700:3033::ac43:cf2b, 2606:4700:3035::6815:4d6a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=194, name=cloudflare-ech.com
SOAlindsey.ns.cloudflare.comdns@cloudflare.com serial=2402967007

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778334696

Subdomains

ns1.swfirst.com
cip1.swfirst.com
ns2.swfirst.com

Same first word

swfirst.com

Similar names

wsfirst.com
firstsw.com
firstws.com

DNS History

19 records (7 active, 12 former)

20162017201820192020202120222023202420252026NSlindsey.ns.cloudflare.comnolan.ns.cloudflare.comns1.swfirst.comns1177.dns.dyn.comns2.swfirst.comns2186.dns.dyn.comns3173.dns.dyn.comns4166.dns.dyn.compdns07.domaincontrol.compdns08.domaincontrol.comMXswfirst-com.mail.protection.outlook.coma917064.mx.mailhop.orgcip1.swfirst.comeip1.swfirst.comA104.21.77.106172.67.207.432606:4700:3033::ac43:cf2b2606:4700:3035::6815:4d6a172.64.80.1
●NSlindsey.ns.cloudflare.com2026-03-08 → 2026-05-09 · 3 obs
○ 2018-06-30 19:44:26
● 2026-03-08 01:10:46
● 2026-05-09 14:16:32
●NSnolan.ns.cloudflare.com2026-03-08 → 2026-05-09 · 3 obs
○ 2018-06-30 19:44:26
● 2026-03-08 01:10:46
● 2026-05-09 14:16:32
○NSns1.swfirst.com2015-06-05 → 2018-06-30 · 6 obs
● 2015-06-05 02:59:02
● 2016-03-25 15:16:44
○ 2016-08-10 02:57:38
● 2018-06-30 19:44:26
○ 2026-03-08 01:10:46
○ 2026-05-09 14:16:32
○NSns1177.dns.dyn.com2015-06-05 → 2016-03-25 · 4 obs
● 2015-06-05 02:59:02
● 2016-03-25 15:16:44
○ 2016-08-10 02:57:38
○ 2026-05-09 14:16:32
○NSns2.swfirst.com2015-06-05 → 2018-06-30 · 4 obs
● 2015-06-05 02:59:02
● 2018-06-30 19:44:26
○ 2026-03-08 01:10:46
○ 2026-05-09 14:16:32
○NSns2186.dns.dyn.com2015-06-05 → 2016-03-25 · 4 obs
● 2015-06-05 02:59:02
● 2016-03-25 15:16:44
○ 2016-08-10 02:57:38
○ 2026-05-09 14:16:32
○NSns3173.dns.dyn.com2015-06-05 → 2016-03-25 · 4 obs
● 2015-06-05 02:59:02
● 2016-03-25 15:16:44
○ 2016-08-10 02:57:38
○ 2026-05-09 14:16:32
○NSns4166.dns.dyn.com2015-06-05 → 2016-03-25 · 4 obs
● 2015-06-05 02:59:02
● 2016-03-25 15:16:44
○ 2016-08-10 02:57:38
○ 2026-05-09 14:16:32
○NSpdns07.domaincontrol.com2016-08-10 → 2018-06-30 · 5 obs
○ 2016-03-25 15:16:44
● 2016-08-10 02:57:38
● 2018-06-30 19:44:26
○ 2026-03-08 01:10:46
○ 2026-05-09 14:16:32
○NSpdns08.domaincontrol.com2016-08-10 → 2018-06-30 · 5 obs
○ 2016-03-25 15:16:44
● 2016-08-10 02:57:38
● 2018-06-30 19:44:26
○ 2026-03-08 01:10:46
○ 2026-05-09 14:16:32
○MXa917064.mx.mailhop.org2015-06-05 → 2016-08-10 · 4 obs
● 2015-06-05 02:59:02
● 2016-08-10 02:57:38
○ 2016-12-21 12:36:02
○ 2026-05-09 14:16:32
○MXcip1.swfirst.com2015-06-05 → 2016-08-10 · 4 obs
● 2015-06-05 02:59:02
● 2016-08-10 02:57:38
○ 2016-12-21 12:36:02
○ 2026-05-09 14:16:32
○MXeip1.swfirst.com2015-06-05 → 2016-08-10 · 4 obs
● 2015-06-05 02:59:02
● 2016-08-10 02:57:38
○ 2016-12-21 12:36:02
○ 2026-05-09 14:16:32
●MXswfirst-com.mail.protection.outlook.com2016-12-21 → 2026-05-09 · 3 obs
○ 2016-08-10 02:57:38
● 2016-12-21 12:36:02
● 2026-05-09 14:16:32
●A104.21.77.1062026-03-08 → 2026-05-09 · 2 obs
● 2026-03-08 01:10:46
● 2026-05-09 14:16:32
○A172.64.80.12026-03-08 → 2026-05-09 · 2 obs
○ 2026-03-08 01:10:46
○ 2026-05-09 14:16:32
●A172.67.207.432026-03-08 → 2026-05-09 · 2 obs
● 2026-03-08 01:10:46
● 2026-05-09 14:16:32
●A2606:4700:3033::ac43:cf2b2026-03-08 → 2026-05-09 · 2 obs
● 2026-03-08 01:10:46
● 2026-05-09 14:16:32
●A2606:4700:3035::6815:4d6a2026-03-08 → 2026-05-09 · 2 obs
● 2026-03-08 01:10:46
● 2026-05-09 14:16:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...-
swfirst.comlindsey.ns.cloudflare.com, nolan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.5

NS records: lindsey.ns.cloudflare.com, nolan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for swfirst.com (unsigned zone)

⏱️ Timing

Total: 308ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.77.106, 172.67.207.43
AAAA22606:4700:3033::ac43:cf2b, 2606:4700:3035::6815:4d6a
NS2lindsey.ns.cloudflare.com, nolan.ns.cloudflare.com
MX1swfirst-com.mail.protection.outlook.com
TXT3MS=ms43765030, brevo-code:4db10df5f2be3ec893858c01456d1...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1lindsey.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (lindsey.ns.cloudflare.com, lindsey.ns.cloudflare.com, lindsey.ns.cloudflare.com...)

Analysis

Hierarchy

swfirst.com is a parent of ns1.swfirst.com, cip1.swfirst.com and ns2.swfirst.com.

IP Addresses

swfirst.com points to four IP numbers: 2606:4700:3033::ac43:cf2b, 2606:4700:3035::6815:4d6a, 104.21.77.106 and 172.67.207.43.

Other host names including farmaciacuplante.ro, hogwildbbq.com, paulistas.mg.gov.br, disputehandler.com and po-selected.com share IP numbers with swfirst.com.

Name Servers

swfirst.com's delegation uses two name servers, lindsey.ns.cloudflare.com and nolan.ns.cloudflare.com.

swfirst.com shares the same name server setup as other domains, for example fincapepe.com, kitchenwarediscount.com, spanieninformation.com, citysave.org.uk and thinkparadise.com.

swfirst.com at least partially shares name servers with other domains, including roaqat.com, wearmango.com, kservico.com.ph, sunrisemedical.no and riversidesuperiorcourtefiling.com.

These name servers are often used together with jarred.ns.cloudflare.com.

Host names with six IP numbers:

lindsey.ns.cloudflare.com points to: 2606:4700:50::a29f:2605, 2803:f800:50::6ca2:c205, 2a06:98c1:50::ac40:2205, 108.162.194.5, 162.159.38.5 and 172.64.34.5.

nolan.ns.cloudflare.com points to: 2606:4700:58::a29f:2c38, 2803:f800:50::6ca2:c338, 2a06:98c1:50::ac40:2338, 108.162.195.56, 162.159.44.56 and 172.64.35.56.

Mail Servers

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

Hostname swfirst-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c91d::, 2a01:111:f403:c91d::a, 2a01:111:f403:c922::2, 2a01:111:f403:c927::, 52.101.9.20, 52.101.10.1, 52.101.10.12 and 52.101.41.6.