`level3.com`

DNSSEC	⚠️ Not signed
A	155.70.66.10^{🇺🇸 AS4015155.70.64.0/20}
		PTR	`lumen.com`
		PTR	`www.lumen.com`
A	155.70.118.10^{🇺🇸 AS7359155.70.96.0/19}
NS	`ns2.level3.net` ⭐ ⚠️ Not in parent delegation
		A	209.244.0.2^{🇺🇸 AS3356209.244.0.0/14}
			PTR	`ns2.level3.net`
NS	`ns1.l3.net` ⚠️ Not in zone NS records
		A	209.244.0.1^{🇺🇸 AS3356209.244.0.0/14}
			PTR	`ns1.level3.net`
NS	`ns1.level3.net` ⚠️ Not in parent delegation
		A	209.244.0.1^{🇺🇸 AS3356209.244.0.0/14}
			PTR	`ns1.level3.net`
NS	`ns2.l3.net` ⚠️ Not in zone NS records
		A	209.244.0.2^{🇺🇸 AS3356209.244.0.0/14}
			PTR	`ns2.level3.net`
MX	`mxa-007e5801.gslb.pphosted.com` ⭐
		A	205.220.166.108^{🇺🇸 Proofpoint205.220.166.0/24 Inc.}
			PTR	`mx0a-007e5801.pphosted.com`
MX	`mxb-007e5801.gslb.pphosted.com` ⭐
		A	205.220.178.108^{🇺🇸 Proofpoint205.220.178.0/24 Inc.}
			PTR	`mx0b-007e5801.pphosted.com`
TXT	`kgywqwc5lk5w20mr656l2q342hbvn9kw`
TXT	`ciscocidomainverification=10fb1f7c3de6f9414d8bdb800dd38070a1f0bea5d1ad574b8cd...`
TXT	`dT7iStrb3a1ssC1ijqq9azDuvbYsToXGIznJ7waTczQtU+Cei8BPsj4A3JTPCfAOoN07HzBfxdvTL...`
TXT	`_ghe5oum2e6m5dzcsz1kkcnk8vs7tjnd`
TXT	`MS=ms47616180`
TXT	`_tyfxrxaoob4ir2443cb5k1f1c25d4bd`
TXT	`v=spf1 include:spf-007e5801.pphosted.com include:spf-007e5802.pphosted.com in...`
SOA	`ns2.Level3.net`dns@level3.net 2026-04-20 #2

`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=1778347571

rank #58681 globally
rank #25977 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #57,573

PTR for

42.225.105.200.in-addr.arpa

Subdomains

ipv6.level3.com

cmc.level3.com

csg.level3.com

ui.level3.com

mpuat-env1.level3.com

b0den.level3.com

n0227idc1.level3.com

sourcingdev.level3.com

collaboration.level3.com

wdcpubvpx-snip1.level3.com

swtest-new.level3.com

l3seg.level3.com

mediaportal.level3.com

api.level3.com

corpec.level3.com

rtapi-phx.level3.com

ssivpn02-denver1.level3.com

webproxy1.level3.com

machine68.level3.com

developer-ext.level3.com

n0179idc1.level3.com

extranet.level3.com

entapiadcext.level3.com

livecall.level3.com

mx4.level3.com

aom.level3.com

n0163idc.level3.com

n0400idc1.level3.com

developeridcext-env1.level3.com

machine2.level3.com

n0164idc.level3.com

m.level3.com

brwapps.level3.com

mydesktop2.level3.com

3secure.level3.com

machine77.level3.com

i3activecam1980.level3.com

webconf.level3.com

maps.level3.com

www-origin-pri.level3.com

networkdnatest.level3.com

l3mssesm1-idc1.level3.com

n0115idc1.level3.com

mssdemo.level3.com

n0502lon2.level3.com

assets.level3.com

b2bua.level3.com

mx1.level3.com

brovis.level3.com

onestop.level3.com

n0222idc1.level3.com

machine70.level3.com

olcsc.level3.com

b2btest.level3.com

n0244idc1.level3.com

mypassword.level3.com

radiuscast7.level3.com

emeapool2extbackup.level3.com

networkdna.level3.com

investors.level3.com

apienv1.level3.com

vyzntest.level3.com

onestopenv2.level3.com

mysc.level3.com

extranetlss.level3.com

blog.level3.com

rwhois.level3.com

my.level3.com

supplierportaltest.level3.com

mpadcext.level3.com

oma.level3.com

securevendormgmttest.level3.com

supplierportaluat.level3.com

ic.level3.com

mx3.level3.com

satisfactionsurvey.level3.com

extranetwss.level3.com

usidcwvseg01.level3.com

cmgs.level3.com

b2bapi.level3.com

adfsprd2.level3.com

cpp-idc.level3.com

your.level3.com

mydesktop1.level3.com

mx12.level3.com

mx13.level3.com

smooth-rai.level3.com

apienv4.level3.com

n0220idc1.level3.com

www.level3.com

billing.level3.com

mpidcext.level3.com

mailsrv11.level3.com

l3denvssh01.level3.com

tpp.level3.com

avconf.level3.com

idc1mail08.level3.com

customerportal.level3.com

collabapi-prod.level3.com

l3nygwips01.level3.com

Same first word

level3.co

level3.dk

level3.co.jp

level3.in

level3.rs

level3.no

level3.ie

level3.com.br

level3.ru

level3.co.at

level3.tv

level3.ch

level3.mobi

level3.com.ve

level3.cn

level3.org

level3.cl

level3.us

level3.be

level3.se

level3.pt

level3.nl

level3.eu.com

level3.co.nz

level3.mk

level3.jp

level3.is

level3.net

level3.it

level3.de

level3.net.br

level3.es

level3.at

level3.fr

level3.ca

level3.lt

level3.ge

level3.com

level3.co.kr

level3.si

level3.support

level3.com.sg

level3.fi

level3.com.tr

level3.or.at

level3.co.uk

Similar names

3level.ru

3level.com.br

3level.com

3level.de

DNS History

13 records (8 active, 5 former)

●NSns1.l3.net2026-02-14 → 2026-05-09 · 3 obs

○ 2015-09-04 13:34:06
● 2026-02-14 17:50:24
● 2026-05-09 17:47:46

●NSns1.level3.net2015-09-04 → 2026-05-09 · 2 obs

● 2015-09-04 13:34:06
● 2026-05-09 17:47:46

●NSns2.l3.net2026-02-14 → 2026-05-09 · 3 obs

○ 2015-09-04 13:34:06
● 2026-02-14 17:50:24
● 2026-05-09 17:47:46

●NSns2.level3.net2015-09-04 → 2026-05-09 · 2 obs

● 2015-09-04 13:34:06
● 2026-05-09 17:47:46

○MXcluster5.us.messagelabs.com2015-09-04 → 2018-03-26 · 4 obs

● 2015-09-04 13:34:06
● 2018-03-26 01:23:36
○ 2018-04-06 14:19:46
○ 2026-05-09 17:47:46

○MXcluster5a.us.messagelabs.com2015-09-04 → 2018-03-26 · 4 obs

● 2015-09-04 13:34:06
● 2018-03-26 01:23:36
○ 2018-04-06 14:19:46
○ 2026-05-09 17:47:46

○MXlxdnp28m.centurylink.com2018-04-06 → 2021-04-12 · 5 obs

○ 2018-03-26 01:23:36
● 2018-04-06 14:19:46
● 2021-04-12 08:40:52
○ 2026-02-14 17:50:24
○ 2026-05-09 17:47:46

○MXlxomp51w.centurylink.com2018-04-06 → 2021-04-12 · 5 obs

○ 2018-03-26 01:23:36
● 2018-04-06 14:19:46
● 2021-04-12 08:40:52
○ 2026-02-14 17:50:24
○ 2026-05-09 17:47:46

●MXmxa-007e5801.gslb.pphosted.com2026-02-14 → 2026-05-09 · 3 obs

○ 2021-04-12 08:40:52
● 2026-02-14 17:50:24
● 2026-05-09 17:47:46

●MXmxb-007e5801.gslb.pphosted.com2026-02-14 → 2026-05-09 · 3 obs

○ 2021-04-12 08:40:52
● 2026-02-14 17:50:24
● 2026-05-09 17:47:46

●A155.70.118.102026-02-14 → 2026-05-09 · 3 obs

○ 2021-04-12 08:40:52
● 2026-02-14 17:50:24
● 2026-05-09 17:47:46

●A155.70.66.102026-02-14 → 2026-05-09 · 3 obs

○ 2021-04-12 08:40:52
● 2026-02-14 17:50:24
● 2026-05-09 17:47:46

○A4.68.80.1102015-09-04 → 2021-04-12 · 4 obs

● 2015-09-04 13:34:06
● 2021-04-12 08:40:52
○ 2026-02-14 17:50:24
○ 2026-05-09 17:47:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net...	-
level3.com	ns1.l3.net, ns2.l3.net	-

✅ Authoritative Response

Server:209.244.0.1

NS records: ns1.l3.net, ns2.l3.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for level3.com (unsigned zone)

⏱️ Timing

Total: 293ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`155.70.118.10, 155.70.66.10`
NS	2	`ns1.Level3.net, ns2.Level3.net`
MX	2	`mxb-007e5801.gslb.pphosted.com (pri: 10), mxa-007e5801.gslb.pphosted.com (pri: 10)`
TXT	7	`_ghe5oum2e6m5dzcsz1kkcnk8vs7tjnd, MS=ms47616180...`
SOA	1	`ns2.Level3.net dns.level3.net`

Analysis

Hierarchy

level3.com is a parent of ipv6.level3.com, cmc.level3.com, csg.level3.com, ui.level3.com, mpuat-env1.level3.com and hundreds of other host names.

IP Addresses

level3.com points to two IP numbers: 155.70.66.10 and 155.70.118.10.

Other host names, for instance www.vyvx.com, level3.or.at, l3.com, blacklotus.net and level3.dk share IP numbers with level3.com.

Name Servers

level3.com is delegated to four name servers: ns1.l3.net, ns2.l3.net, ns1.level3.net and ns2.level3.net.

level3.com shares name servers with other domains at least partially, for instance 252.8.in-addr.arpa, 27.7.207.in-addr.arpa, broadwing.com, 137.156.64.in-addr.arpa and dallas3.level3.net.

these name servers are often used together with the name servers iresolver1.mgmt.level3.net.

Names with a single IP:

ns1.l3.net points to: 209.244.0.1

ns2.l3.net points to: 209.244.0.2

ns1.level3.net points to: 209.244.0.1

ns2.level3.net points to: 209.244.0.2

Names pointing to 209.244.0.1: ns1.l3.net and ns1.level3.net

Names pointing to 209.244.0.2: ns2.l3.net and ns2.level3.net

Mail Servers

level3.com is handled by two mail servers: mxa-007e5801.gslb.pphosted.com and mxb-007e5801.gslb.pphosted.com.

level3.com shares the same mail server setup as other domains, including ctl.io, level3.co.at, themeetingson.com, level3.ch and lumen.tech.

level3.com shares at least some mail servers with other domains, for instance centurylink.de.

Host names with one IP number:

mxa-007e5801.gslb.pphosted.com points to: 205.220.166.108.

mxb-007e5801.gslb.pphosted.com points to: 205.220.178.108.

level3.com - robtex.com

level3.com

com

PTR for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`level3.com`

`com`