blue-line.dk DNS records

🖥️ Nameservers4 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records2 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.193.213.10	600s	—	AS209242	Cloudflare London, LLC	141.193.213.0/24	🇺🇸 United States	—
141.193.213.11	600s	—	AS209242	Cloudflare London, LLC	141.193.213.0/24	🇺🇸 United States	—

📧 MX Records2 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	blue-line-dk.mx1.comendosystems.com	192.162.219.255 2a01:77c0:1619:4102:a81b:80d0:e56c:edc0	mx41.electric.net gw2-1535.security.comendo.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	3600s	blue-line-dk.mx2.comendosystems.net	192.162.219.155	mx41.electric.net	AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	141.193.213.10

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 59ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 168ms

TXT Record
google-site-verification=C33MYKjZM4ZqOVFbuSUo_f8iP7qvzo50XlZP8-dcTiQ
MS=ms80417913
v=spf1 include:spf.comendosystems.com ip4:195.74.34.66 ip4:77.66.124.105 ip4:159.253.93.52 ip4:93.191.156.84 ip4:147.253.222.195 ip4:34.76.222.38 include:servers.mcsv.net include:spf.mailanyone.net include:spf.protection.outlook.com include:relay.mailchannels.net -all

✉️ SPF

Policy	Record (blue-line.dk)
-all (hard fail)	v=spf1 include:spf.comendosystems.com ip4:195.74.34.66 ip4:77.66.124.105 ip4:159.253.93.52 ip4:93.191.156.84 ip4:147.253.222.195 ip4:34.76.222.38 include:servers.mcsv.net include:spf.mailanyone.net include:spf.protection.outlook.com include:relay.mailchannels.net -all

📨 DMARC

Policy	Record (_dmarc.blue-line.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@blue-line.dk

📬 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)

🔐 DNSSEC96ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2025110304
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

30ms

MX

34ms

AAAA

38ms

TXT

168ms

CAA

38ms

HTTPS

59ms

TLSA

181ms

SOA

0ms

MTA-STS

71ms

DNSSEC

96ms

SRV

59ms

Total

888ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 22:08:51	888ms	4 NS 2 A 2 MX	🔒 Secure	View
2026-08-14 22:29:09	17430ms	4 NS 2 A 2 MX	🔒 Secure	View
2026-06-26 00:54:48	817ms	4 NS 2 A 2 MX	🔒 Secure	View
2026-06-21 22:54:32	1174ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 13:15:13	844ms	4 NS 2 A 2 MX	🔒 Secure	View
2026-06-16 15:17:23	1905ms	4 NS 2 A 2 MX	🔒 Secure	View
2026-06-16 15:12:21	2822ms	4 NS 2 A 2 MX	🔒 Secure	View
2026-06-16 15:10:59	439ms	4 NS 2 A 2 MX	🔒 Secure	View
2026-06-16 15:00:28	4624ms	4 NS 2 A 2 MX	🔒 Secure	View