lasformat.org - dns.ninja

`lasformat.org`

CNAME	`readthedocs.io`
DNSSEC	⚠️ Not signed
A	2606:4700::6810:fd78^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6810:fe78^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.16.253.120^{Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.16.254.120^{Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ivan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b78^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c178^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ivan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2178^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ivan.ns.cloudflare.com`
		A	108.162.193.120^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	172.64.33.120^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	173.245.59.120^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
NS	`tegan.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tegan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tegan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tegan.ns.cloudflare.com`
		A	108.162.192.226^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.226^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.226^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.16.253.120, 104.16.254.120
		IPv6 hints	2606:4700::6810:fd78, 2606:4700::6810:fe78
SOA	`ivan.ns.cloudflare.com`dns@cloudflare.com serial=2409762066

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1784946137

Same first word

lasformat.org

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DNS History

7 records (3 active, 4 former)

●NSns19.worldnic.com2015-07-16 → 2026-07-25 · 2 obs

● 2015-07-16 06:27:36
● 2026-07-25 02:44:24

●NSns20.worldnic.com2015-07-16 → 2026-07-25 · 2 obs

● 2015-07-16 06:27:36
● 2026-07-25 02:44:24

○MXp.webcom.ctmail.com2015-12-01 → 2017-12-23 · 4 obs

● 2015-12-01 06:58:48
● 2017-12-23 00:37:02
○ 2026-03-24 06:13:52
○ 2026-07-25 02:44:24

○A174.121.236.912016-11-20 → 2017-12-23 · 5 obs

○ 2016-03-06 20:13:46
● 2016-11-20 03:13:30
● 2017-12-23 00:37:02
○ 2026-03-24 06:13:52
○ 2026-07-25 02:44:24

○A174.122.4.2292015-07-16 → 2016-03-06 · 4 obs

● 2015-07-16 06:27:36
● 2016-03-06 20:13:46
○ 2016-11-20 03:13:30
○ 2026-07-25 02:44:24

○A23.235.196.2232026-03-24 → 2026-05-14 · 6 obs

○ 2017-12-23 00:37:02
● 2026-03-24 06:13:52
○ 2026-04-06 20:37:20
● 2026-05-14 13:07:14
○ 2026-07-14 15:36:14
○ 2026-07-25 02:44:24

●CNAMEreadthedocs.io2026-07-14 → 2026-07-25 · 2 obs

● 2026-07-14 15:36:14
● 2026-07-25 02:44:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
lasformat.org	ns19.worldnic.com, ns20.worldnic.com	-

✅ Authoritative Response

Server:162.159.27.150

NS records: ns19.worldnic.com, ns20.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lasformat.org (unsigned zone)

⏱️ Timing

Total: 541ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`readthedocs.io`
SOA	1	`NS19.WORLDNIC.COM namehost.WORLDNIC.COM`

Analysis

IP Addresses

lasformat.org points to the four IP addresses 104.16.253.120, 104.16.254.120, 2606:4700::6810:fd78 and 2606:4700::6810:fe78.

Two other host names, along with pegasuswang.readthedocs.io, nbis-reproducible-research.readthedocs.io and rubicon-objc.readthedocs.io, also share IP numbers with lasformat.org.

Name Servers

lasformat.org uses two name servers for its delegation: ivan.ns.cloudflare.com and tegan.ns.cloudflare.com.

lasformat.org shares its NS records with other domains, for example pkk-egrp365.ru, billmillerbbq.com, systempluspioneer.com and two others.

There is at least partial name server overlap between lasformat.org and other domains — nachaoperatingrulesonline.org, learntrope.com, de3cronen.nl and two more among them.

These name servers frequently co-occur with the name servers mustafa.ns.cloudflare.com and erin.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname ivan.ns.cloudflare.com directs to 108.162.193.120, 172.64.33.120 and 173.245.59.120 along with 3 other IP addresses.

Hostname tegan.ns.cloudflare.com directs to 108.162.192.226, 172.64.32.226 and 173.245.58.226 along with 3 other IP addresses.

Mail Servers

lasformat.org has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

There is at least a partial MX overlap between lasformat.org and other domains, including dhammakadee.com, sf3.ro, adkalpha.com and two others.

These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

aspmx2.googlemail.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com directs traffic to 142.251.163.27 and 2607:f8b0:4004:c0b::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.

Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 2800:3f0:4003:c0f::1b IP addresses each.

Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 108.177.123.26 IP addresses each.