byggetilbud.dk DNS records

🖥️ Nameservers2 records 236ms

Nameserver	IP addresses	PTR	ASN / ISP
pat.ns.cloudflare.com	108.162.192.139 172.64.32.139 173.245.58.139 2606:4700:50::adf5:3a8b 2803:f800:50::6ca2:c08b 2a06:98c1:50::ac40:208b	pat.ns.cloudflare.com pat.ns.cloudflare.com pat.ns.cloudflare.com pat.ns.cloudflare.com pat.ns.cloudflare.com pat.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
quincy.ns.cloudflare.com	108.162.195.39 162.159.44.39 172.64.35.39 2606:4700:58::a29f:2c27 2803:f800:50::6ca2:c327 2a06:98c1:50::ac40:2327	quincy.ns.cloudflare.com quincy.ns.cloudflare.com quincy.ns.cloudflare.com quincy.ns.cloudflare.com quincy.ns.cloudflare.com quincy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 243ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.251	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.158.146	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records5 records 188ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.213.26 2a00:1450:4013:c1e::1b	yugrqzs-in-f26.1e100.net yugrqzs-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	142.250.147.26 2a00:1450:4025:c01::1a	rd-in-f26.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	172.253.152.27 2a00:1450:4010:c22::1b	yulpptr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.158.146
🔶 Autoconfig	104.21.40.251

🔷 AAAA Records (IPv6)2 records 175ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:28fb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:9e92	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 218ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.251,172.67.158.146 ech=AEX+DQBBrgAgACDsb9gcLs8nNktfcau8k7MnBKO5VBtaNP44xU32yAjzGgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:28fb,2606:4700:3036::ac43:9e92

📝 TXT Records3 records 464ms

TXT Record
google-site-verification=YU87qHnBT5NDjXNcztBT6rmji_yXTr_NW2UXVQxn0YY
v=spf1 include:_spf.google.com ip4:185.121.173.206 ip4:185.121.173.207 ~all
v=spf1 ip4:185.121.173.206 include:_spf.google.com ~all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (byggetilbud.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ip4:185.121.173.206 ip4:185.121.173.207 ~all
~all (soft fail)	v=spf1 ip4:185.121.173.206 include:_spf.google.com ~all

📨 DMARC

Policy	Record (_dmarc.byggetilbud.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:4469b6320e6747beaa398a09c0e05104@dmarc-reports.cloudflare.net

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC278ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2408739614
Primary NS (MNAME)	pat.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

236ms

A

243ms

MX

188ms

AAAA

175ms

TXT

464ms

CAA

193ms

HTTPS

218ms

TLSA

321ms

SOA

0ms

MTA-STS

210ms

DNSSEC

278ms

SRV

277ms

Total

2816ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-06 21:24:33	2816ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-02 12:25:25	1670ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-22 23:28:05	1193ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-21 22:39:27	1192ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 18:15:40	713ms	2 NS 2 A 5 MX	🔓 Insecure	View