peakflow.dk

📜 Historical scan 2026-10-01 01:47:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

peakflow.dk is a .dk domain served by 2 nameservers (ns1.bolignet.dk, ns2.bolignet.dk). It was registered on 21 August 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 79.142.224.47 is hosted by Bolignet A/s (AS44134) in Denmark. Mail is handled by smtp1.bolignet.dk, smtp2.bolignet.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bolignet.dk	2a02:2190:1:1::29 79.142.224.41	— 79.142.224.41.prod.bolignet.dk	AS44134 Bolignet A/s AS44134 Bolignet A/s
ns2.bolignet.dk	2a02:2190:1:1::2a 79.142.224.42	— 79.142.224.42.prod.bolignet.dk	AS44134 Bolignet A/s AS44134 Bolignet A/s

🌍 A Records#

2 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
79.142.224.47	86400s	79.142.224.47.prod.bolignet.dk	AS44134	Bolignet A/s	79.142.224.0/20	🇩🇰 Denmark	Brønshøj
79.142.224.48	86400s	79.142.224.48.prod.bolignet.dk	AS44134	Bolignet A/s	79.142.224.0/20	🇩🇰 Denmark	Brønshøj

📧 MX Records#

2 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	smtp1.bolignet.dk	2a02:2190:1:1::19 2a02:2190:1:1::e 79.142.224.14 79.142.224.25	smtp1.bolignet.dk smtp1.bolignet.dk smtp1.bolignet.dk smtp1.bolignet.dk	AS44134 Bolignet A/s AS44134 Bolignet A/s AS44134 Bolignet A/s AS44134 Bolignet A/s
20	86400s	smtp2.bolignet.dk	2a02:2190:1:1::1a 2a02:2190:1:1::f 79.142.224.15 79.142.224.26	smtp2.bolignet.dk smtp2.bolignet.dk smtp2.bolignet.dk smtp2.bolignet.dk	AS44134 Bolignet A/s AS44134 Bolignet A/s AS44134 Bolignet A/s AS44134 Bolignet A/s

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	proxy.bolignet.dk → 79.142.224.48
🔶 Autoconfig	proxy.bolignet.dk → 79.142.224.47

🔷 AAAA Records (IPv6)#

2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2190:1:1::2f	86400s	—	AS44134	Bolignet A/s	2a02:2190:0:0:0:0:0:0/29	🇩🇰 Denmark	Copenhagen
2a02:2190:1:1::30	86400s	—	AS44134	Bolignet A/s	2a02:2190:0:0:0:0:0:0/29	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 16:16:04

www CNAME	proxy.bolignet.dk (all on bolignet.dk) → 79.142.224.47 79.142.224.48 2a02:2190:1:1::2f 2a02:2190:1:1::30 (AS44134)
www vs bare domain	Same network peakflow.dk: 79.142.224.47 79.142.224.48 2a02:2190:1:1::2f 2a02:2190:1:1::30 (AS44134) www.peakflow.dk: 79.142.224.47 79.142.224.48 2a02:2190:1:1::2f 2a02:2190:1:1::30 (AS44134)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.peakflow.dk	proxy.bolignet.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

83ms

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

🏷️ SOA#

53ms

Field	Value
Serial	2014080901
Primary NS (MNAME)	ns1.bolignet.dk
Responsible (RNAME)	drift@bolignet.dk
Refresh	21600s
Retry	3600s
Expire	86400s
Minimum (neg-cache TTL)	28800s

📋 Registration#

WHOIS fetched 2026-10-09 13:42:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-08-21
Expires	2027-08-31 (318d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

43ms

48ms

AAAA

32ms

TXT

225ms

CAA

51ms

HTTPS

53ms

TLSA

278ms

SOA

53ms

MTA-STS

92ms

DNSSEC

83ms

SRV

78ms

Total

1205ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 08:49:56	810ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-01 01:47:10 shown	1205ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-30 08:07:08	1165ms	2 NS 2 A 2 MX	❓ Unknown
2026-09-22 14:02:36	1372ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-26 01:47:50	2044ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-24 23:09:35	1561ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-24 15:19:26	1855ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-23 10:01:59	9961ms	2 NS 0 A 2 MX	⚠️ Bogus
2026-07-09 05:52:44	1364ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-04 15:59:06	4175ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-22 02:39:51	3503ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-17 11:33:56	3499ms	2 NS 2 A 2 MX	🔒 Secure